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SLIDE 1

■♥tr♦ t♦ ❈♦♥t❡♠♣♦r❛r② ▼❛t❤

❈♦♥❞✐t✐♦♥❛❧ Pr♦❜❛❜✐❧✐t② ❛♥❞ ■♥❞❡♣❡♥❞❡♥t ❊✈❡♥ts

❉❡♣❛rt♠❡♥t ♦❢ ▼❛t❤❡♠❛t✐❝s ❯❑

❖❝t♦❜❡r ✺✱ ✷✵✶✽

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SLIDE 2

❆♥♥♦✉♥❝❡♠❡♥t

◮ ❨♦✉ ❤❛✈❡ ❛ ❤♦♠❡✇♦r❦ ❛ss✐❣♥♠❡♥t ❞✉❡ ♥❡①t ▼♦♥❞❛②✳

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SLIDE 3

❉r❛✇✐♥❣ ❛ ❈❛r❞

◮ ❨♦✉ ❤❛✈❡ ❛ ❤♦♠❡✇♦r❦ ❛ss✐❣♥♠❡♥t ❞✉❡ ♥❡①t ▼♦♥❞❛②✳ ❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺

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SLIDE 4

❉r❛✇✐♥❣ ❛ ❈❛r❞

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ◮ ▲❡t E ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ✐s ❞r❛✇♥✳✑ ◮ ▲❡t F ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ✐s ❞r❛✇♥✳✑

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SLIDE 5

❉r❛✇✐♥❣ ❛ ❈❛r❞ ✇✐t❤ ❛ ❉❡s✐r❡❞ ❙✉✐t

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ✐s✿ P(E) = ✺ s✉❝❤ ❝❛r❞s ✶✵ ❝❛r❞s t♦t❛❧ = ✺ ✶✵ = ✶ ✷.

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SLIDE 6

❉r❛✇✐♥❣ ❛ ❈❛r❞ ✇✐t❤ ❛ ❉❡s✐r❡❞ ❘❛♥❦

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ✐s✿ P(F) = ✷ s✉❝❤ ❝❛r❞s ✶✵ ❝❛r❞s t♦t❛❧ = ✷ ✶✵ = ✶ ✺.

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SLIDE 7

❉r❛✇✐♥❣ ❛ ❙♣❡❝✐✜❝ ❈❛r❞

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❝❛r❞ ❇✷ ✭s✉✐t ❇ ❛♥❞ r❛♥❦ ✷✮ ✐s✿ P(E

  • F) = ✶ s✉❝❤ ❝❛r❞ ❇✷

✶✵ ❝❛r❞s t♦t❛❧ = ✶ ✶✵.

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SLIDE 8

❖❜s❡r✈❛t✐♦♥

◆♦t✐❝❡ t❤❛t P(E) = ✶ ✷, P(F) = ✶ ✺, P(E

  • F) = ✶

✶✵. ❈♦✐♥❝✐❞❡♥t❛❧❧②✱ P(E)·P(F) = ✶ ✷ · ✶ ✺ = ✶ ✶✵ ❛s ✇❡❧❧✳ ❲❤❡♥ ❝❛♥ ✇❡ ♠✉❧t✐♣❧② t❤❡ ♣r♦❜❛❜✐❧✐t✐❡s ♦❢ t✇♦ ❡✈❡♥ts t♦ ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ t❤❡✐r ✐♥t❡rs❡❝t✐♦♥❄

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SLIDE 9

❖❜s❡r✈❛t✐♦♥

◆♦t✐❝❡ t❤❛t P(E) = ✶ ✷, P(F) = ✶ ✺, P(E

  • F) = ✶

✶✵. ❈♦✐♥❝✐❞❡♥t❛❧❧②✱ P(E)·P(F) = ✶ ✷ · ✶ ✺ = ✶ ✶✵ ❛s ✇❡❧❧✳ ❲❤❡♥ ❝❛♥ ✇❡ ♠✉❧t✐♣❧② t❤❡ ♣r♦❜❛❜✐❧✐t✐❡s ♦❢ t✇♦ ❡✈❡♥ts t♦ ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ t❤❡✐r ✐♥t❡rs❡❝t✐♦♥❄

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SLIDE 10

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ ❈♦♥❞✐t✐♦♥❛❧ Pr♦❜❛❜✐❧✐t②

▲❡t ✉s ❝♦♠♣✉t❡✿ ◮ P(F|E)✿ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷✱ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ◮ P(E|F)✿ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇✱ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❲❡ ✇✐❧❧ ❝♦♠♣❛r❡ t❤❡s❡ t♦ ❡❛❝❤ ♦t❤❡r✱ ❛♥❞ t♦ P(E) ❛♥❞ P(F)✳

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SLIDE 11

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ ✜✈❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 12

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ ✜✈❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 13

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ ✜✈❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇ ✐s P(F|E) = ✶ ❝❛r❞ ❛♠♦♥❣ t❤♦s❡ ✇✐t❤ s✉✐t ❇ t❤❛t ❤❛s r❛♥❦ ✷ ✺ ❝❛r❞s ✇✐t❤ s✉✐t ❇ = ✶ ✺.

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SLIDE 14

❈♦♥❞✐t✐♦♥❛❧ Pr♦❜❛❜✐❧✐t② ◆✉♠❡r❛t♦r

▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ ✜✈❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇ ✐s P(F|E) = ✶ ❝❛r❞ ❛♠♦♥❣ t❤♦s❡ ✇✐t❤ s✉✐t ❇ t❤❛t ❤❛s r❛♥❦ ✷ ✺ ❝❛r❞s ✇✐t❤ s✉✐t ❇ = ✶ ✺. ❲❡ ❝❛♥ r❡♣❤r❛s❡ t❤❡ ♥✉♠❡r❛t♦r✿ P(F|E) = ✶ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ❛♥❞ r❛♥❦ ✷ ✺ ❝❛r❞s ✇✐t❤ s✉✐t ❇ = ✶ ✺.

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SLIDE 15

❈♦♥❞✐t✐♦♥❛❧ Pr♦❜❛❜✐❧✐t② ❈♦♠♣✉t❛t✐♦♥

▲❡t E ❛♥❞ F ❜❡ ❡✈❡♥ts ✐♥ ❛ s❛♠♣❧❡ s♣❛❝❡ Ω✳ ❚❤❡♥ P(F|E)✱ t❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❣❡tt✐♥❣ ❛♥ ♦✉t❝♦♠❡ ✐♥ ❡✈❡♥t F ❣✐✈❡♥ t❤❛t t❤❡ ♦✉t❝♦♠❡ ✐s ✐♥ ❡✈❡♥t E✱ ✐s P(F|E) = ◆✉♠❜❡r ♦❢ ♦✉t❝♦♠❡s ✐♥ E F ◆✉♠❜❡r ♦❢ ♦✉t❝♦♠❡s ✐♥ E . ❍✐♥t✿ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ❛♣♣❡❛rs ✐♥ t❤❡ ❞❡♥♦♠✐♥❛t♦r✳

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SLIDE 16

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳

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SLIDE 17

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳

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SLIDE 18

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷ ✐s P(E|F) = ✶ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ❛♥❞ s✉✐t ❇ ✷ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷ = ✶ ✷.

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SLIDE 19

❖❜s❡r✈❛t✐♦♥s

◮ ◆♦t✐❝❡ t❤❛t P(E) = ✶ ✷, ❛♥❞ P(E|F) = ✶ ✷ ❛s ✇❡❧❧✳ ❑♥♦✇✐♥❣ t❤❡ ❝❛r❞✬s r❛♥❦ ❞✐❞ ♥♦t ❛✛❡❝t ✐ts ❝❤❛♥❝❡s ♦❢ ❤❛✈✐♥❣ s✉✐t ❇✳ ◮ ❙✐♠✐❧❛r❧②✱ P(F) = ✶ ✺, ❛♥❞ P(F|E) = ✶ ✺ ❛s ✇❡❧❧✳ ❑♥♦✇✐♥❣ t❤❡ ❝❛r❞✬s s✉✐t ❞✐❞ ♥♦t ❛✛❡❝t ✐ts ❝❤❛♥❝❡s ♦❢ ❤❛✈✐♥❣ r❛♥❦ ✷✳

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SLIDE 20

❖❜s❡r✈❛t✐♦♥s

◮ ◆♦t✐❝❡ t❤❛t P(E) = ✶ ✷, ❛♥❞ P(E|F) = ✶ ✷ ❛s ✇❡❧❧✳ ❑♥♦✇✐♥❣ t❤❡ ❝❛r❞✬s r❛♥❦ ❞✐❞ ♥♦t ❛✛❡❝t ✐ts ❝❤❛♥❝❡s ♦❢ ❤❛✈✐♥❣ s✉✐t ❇✳ ◮ ❙✐♠✐❧❛r❧②✱ P(F) = ✶ ✺, ❛♥❞ P(F|E) = ✶ ✺ ❛s ✇❡❧❧✳ ❑♥♦✇✐♥❣ t❤❡ ❝❛r❞✬s s✉✐t ❞✐❞ ♥♦t ❛✛❡❝t ✐ts ❝❤❛♥❝❡s ♦❢ ❤❛✈✐♥❣ r❛♥❦ ✷✳

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SLIDE 21

❲❛r♥✐♥❣✿ ❖r❞❡r ▼❛tt❡rs

❇❡✇❛r❡✿ P(E|F) ❛♥❞ P(F|E) ❛r❡ ♥♦t ❡q✉❛❧ ✐♥ ❣❡♥❡r❛❧✦ ◮ ■♥ t❤✐s ❡①❛♠♣❧❡✱ P(E|F) = ✶ ✷ ✇❤✐❧❡ P(F|E) = ✶ ✺. ◮ ❋♦r P(E|F)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳ ◮ ❖♥ t❤❡ ♦t❤❡r ❤❛♥❞✱ ❢♦r P(F|E)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 22

❲❛r♥✐♥❣✿ ❖r❞❡r ▼❛tt❡rs

❇❡✇❛r❡✿ P(E|F) ❛♥❞ P(F|E) ❛r❡ ♥♦t ❡q✉❛❧ ✐♥ ❣❡♥❡r❛❧✦ ◮ ■♥ t❤✐s ❡①❛♠♣❧❡✱ P(E|F) = ✶ ✷ ✇❤✐❧❡ P(F|E) = ✶ ✺. ◮ ❋♦r P(E|F)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳ ◮ ❖♥ t❤❡ ♦t❤❡r ❤❛♥❞✱ ❢♦r P(F|E)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 23

❲❛r♥✐♥❣✿ ❖r❞❡r ▼❛tt❡rs

❇❡✇❛r❡✿ P(E|F) ❛♥❞ P(F|E) ❛r❡ ♥♦t ❡q✉❛❧ ✐♥ ❣❡♥❡r❛❧✦ ◮ ■♥ t❤✐s ❡①❛♠♣❧❡✱ P(E|F) = ✶ ✷ ✇❤✐❧❡ P(F|E) = ✶ ✺. ◮ ❋♦r P(E|F)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳ ◮ ❖♥ t❤❡ ♦t❤❡r ❤❛♥❞✱ ❢♦r P(F|E)✱ t❤❡ ❣✐✈❡♥ ❡✈❡♥t r❡str✐❝t❡❞ ✉s t♦ t❤❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 24

■♥❞❡♣❡♥❞❡♥t ❊✈❡♥ts

▲❡t E ❛♥❞ F ❜❡ ❡✈❡♥ts ✐♥ ❛ s❛♠♣❧❡ s♣❛❝❡ Ω✳ ❚❤❡♥ E ❛♥❞ F ❛r❡ s❛✐❞ t♦ ❜❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts ✐❢ P(F|E) = P(F).

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SLIDE 25

■♥❞❡♣❡♥❞❡♥t ❊✈❡♥ts

▲❡t E ❛♥❞ F ❜❡ ❡✈❡♥ts ✐♥ ❛ s❛♠♣❧❡ s♣❛❝❡ Ω✳ ❚❤❡♥ E ❛♥❞ F ❛r❡ s❛✐❞ t♦ ❜❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts ✐❢ P(F|E) = P(F). ❚❤❛t ✐s✱ t❤❡ ❝♦♥❞✐t✐♦♥❛❧ ♣r♦❜❛❜✐❧✐t② ♦❢ F ❣✐✈❡♥ t❤❛t E ♦❝❝✉rr❡❞ ✐s t❤❡ s❛♠❡ ❛s t❤❡ ✭r❡❣✉❧❛r✮ ♣r♦❜❛❜✐❧✐t② ♦❢ F✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ F ♦❝❝✉rr✐♥❣ ✐s t❤❡ s❛♠❡ ✇❤❡t❤❡r ♦r ♥♦t E ♦❝❝✉rs✳

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SLIDE 26

❈❤❡❝❦✐♥❣ ■♥❞❡♣❡♥❞❡♥❝❡

▲❡t E ❛♥❞ F ❜❡ ❡✈❡♥ts ✐♥ ❛ s❛♠♣❧❡ s♣❛❝❡ Ω✳ ❚♦ ❝❤❡❝❦ ✐❢ E ❛♥❞ F ❛r❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✱ ✶✳ ❈♦♠♣✉t❡ P(E)✱ P(F)✱ ❛♥❞ P(F|E)✳ ✷✳ ❈♦♠♣❛r❡ P(F|E) ❛♥❞ P(F)✳ ❆r❡ t❤❡② ❡q✉❛❧ ♦r ♥♦t❄ ◮ ■❢ P(F|E) ❛♥❞ P(F) ❛r❡ ❡q✉❛❧✱ t❤❡♥ E ❛♥❞ F ❛r❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✳ ◮ ■❢ P(F|E) ❛♥❞ P(F) ❛r❡ ❞✐✛❡r❡♥t ♥✉♠❜❡rs✱ t❤❡♥ E ❛♥❞ F ❛r❡ ♥♦t ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✳

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SLIDE 27

❈❤❡❝❦✐♥❣ ■♥❞❡♣❡♥❞❡♥❝❡

▲❡t E ❛♥❞ F ❜❡ ❡✈❡♥ts ✐♥ ❛ s❛♠♣❧❡ s♣❛❝❡ Ω✳ ❚♦ ❝❤❡❝❦ ✐❢ E ❛♥❞ F ❛r❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✱ ✶✳ ❈♦♠♣✉t❡ P(E)✱ P(F)✱ ❛♥❞ P(F|E)✳ ✷✳ ❈♦♠♣❛r❡ P(F|E) ❛♥❞ P(F)✳ ❆r❡ t❤❡② ❡q✉❛❧ ♦r ♥♦t❄ ◮ ■❢ P(F|E) ❛♥❞ P(F) ❛r❡ ❡q✉❛❧✱ t❤❡♥ E ❛♥❞ F ❛r❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✳ ◮ ■❢ P(F|E) ❛♥❞ P(F) ❛r❡ ❞✐✛❡r❡♥t ♥✉♠❜❡rs✱ t❤❡♥ E ❛♥❞ F ❛r❡ ♥♦t ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✳

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SLIDE 28

■♥❞❡♣❡♥❞❡♥❝❡ ✇✐t❤ ❛ ❋✉❧❧ ❉❡❝❦

❆ ❞❡❝❦ ♦❢ ✶✵ ❝❛r❞s ❤❛s ✷ s✉✐ts ✭❆✲❇✮ ❛♥❞ ✺ r❛♥❦s ✭✶✲✺✮✳ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❇✹ ❇✺ ◮ ▲❡t E ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ✐s ❞r❛✇♥✳✑ ◮ ▲❡t F ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ✐s ❞r❛✇♥✳✑ ❲❡ s❛✇ t❤❛t P(F|E) = ✶ ✺, ❛♥❞ P(F) = ✶ ✺ ✭❜♦t❤ ❡q✉❛❧ ✵✳✷✮✳ ❍❡♥❝❡ E ❛♥❞ F ❛r❡ ✐♥❞❡♣❡♥❞❡♥t ❡✈❡♥ts✳

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SLIDE 29

❉r❛✇✐♥❣ ❛ ❈❛r❞ ✷

❆ ❞❡❝❦ ♦❢ ✽ ❝❛r❞s ❤❛s ✷ s✉✐ts ❛♥❞ ✺ r❛♥❦s✱ ❜✉t ❝❛r❞s ❇✹ ❛♥❞ ❇✺ ❛r❡ ♥♦t ✐♥❝❧✉❞❡❞✿ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸

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SLIDE 30

❄✭✻✳✶✮✿ ❉r❛✇✐♥❣ ❛ ❈❛r❞ ✷

❆ ❞❡❝❦ ♦❢ ✽ ❝❛r❞s ❤❛s ✷ s✉✐ts ❛♥❞ ✺ r❛♥❦s✱ ❜✉t ❝❛r❞s ❇✹ ❛♥❞ ❇✺ ❛r❡ ♥♦t ✐♥❝❧✉❞❡❞✿ ❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ◮ ▲❡t E ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ✐s ❞r❛✇♥✳✑ ❋✐♥❞ P(E)✳ A) ✶/✷ B) ✸/✶✵ C) ✸/✺ D) ✸/✽ E) ✶/✸ ◮ ▲❡t F ❜❡ t❤❡ ❡✈❡♥t ✏❆ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ✐s ❞r❛✇♥✳✑ ❋✐♥❞ P(F)✳ A) ✶/✺ B) ✶/✽ C) ✷/✺ D) ✶/✷ E) ✷/✽ ◮ ❚❤❡♥ E F ✐s t❤❡ ❡✈❡♥t ✏❈❛r❞ ❇✷ ✐s ❞r❛✇♥✳✑ ❋✐♥❞ P(E F)✳ A) ✶/✷ B) ✶/✶✵ C) ✶/✽ D) ✶/✺ E) ✻/✻✹

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SLIDE 31

❉r❛✇✐♥❣ ❛ ❈❛r❞ ✇✐t❤ ❛ ❉❡s✐r❡❞ ❙✉✐t ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ✐s✿ P(E) = ✸ s✉❝❤ ❝❛r❞s ✽ ❝❛r❞s t♦t❛❧ = ✸ ✽.

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SLIDE 32

❉r❛✇✐♥❣ ❛ ❈❛r❞ ✇✐t❤ ❛ ❉❡s✐r❡❞ ❘❛♥❦ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ✐s✿ P(F) = ✷ s✉❝❤ ❝❛r❞s ✽ ❝❛r❞s t♦t❛❧ = ✷ ✽ = ✶ ✹.

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SLIDE 33

❉r❛✇✐♥❣ ❛ ❙♣❡❝✐✜❝ ❈❛r❞ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❚❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ ❞r❛✇✐♥❣ ❝❛r❞ ❇✷ ✭s✉✐t ❇ ❛♥❞ r❛♥❦ ✷✮ ✐s✿ P(E

  • F) = ✶ s✉❝❤ ❝❛r❞ ❇✷

✽ ❝❛r❞s t♦t❛❧ = ✶ ✽.

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SLIDE 34

❉✐✛❡r❡♥t ❖❜s❡r✈❛t✐♦♥

◆♦t✐❝❡ t❤❛t P(E) = ✸ ✽, P(F) = ✶ ✹, P(E

  • F) = ✶

✽. ❚❤✐s t✐♠❡✱ P(E)·P(F) = ✸ ✽ · ✶ ✹ = ✸ ✸✷ = ✶ ✽. ▼✉❧t✐♣❧②✐♥❣ t❤❡ ♣r♦❜❛❜✐❧✐t✐❡s ♦❢ t✇♦ ❡✈❡♥ts ❞✐❞ ♥♦t ❡q✉❛❧ t❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ t❤❡✐r ✐♥t❡rs❡❝t✐♦♥✳

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SLIDE 35

❉✐✛❡r❡♥t ❖❜s❡r✈❛t✐♦♥

◆♦t✐❝❡ t❤❛t P(E) = ✸ ✽, P(F) = ✶ ✹, P(E

  • F) = ✶

✽. ❚❤✐s t✐♠❡✱ P(E)·P(F) = ✸ ✽ · ✶ ✹ = ✸ ✸✷ = ✶ ✽. ▼✉❧t✐♣❧②✐♥❣ t❤❡ ♣r♦❜❛❜✐❧✐t✐❡s ♦❢ t✇♦ ❡✈❡♥ts ❞✐❞ ♥♦t ❡q✉❛❧ t❤❡ ♣r♦❜❛❜✐❧✐t② ♦❢ t❤❡✐r ✐♥t❡rs❡❝t✐♦♥✳

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SLIDE 36

❄✭✻✳✷✮✿ ❉r❛✇✐♥❣ ❛ ❈❛r❞✿ ❈♦♥❞✐t✐♦♥❛❧ Pr♦❜❛❜✐❧✐t②

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ◆♦✇ ❝♦♠♣✉t❡✿ ◮ P(F|E)✿ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷✱ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ A) ✸/✽ B) ✶/✽ C) ✶/✸ D) ✷/✽ E) ✷/✸ ◮ P(E|F)✿ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇✱ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ A) ✷/✽ B) ✶/✷ C) ✸/✷ D) ✶/✽ E) ✸/✽ ❲❡ ✇✐❧❧ ❝♦♠♣❛r❡ t❤❡s❡ t♦ ❡❛❝❤ ♦t❤❡r✱ ❛♥❞ t♦ P(E) ❛♥❞ P(F)✳

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SLIDE 37

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t❤r❡❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 38

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t❤r❡❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳

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SLIDE 39

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(F|E) ✭●✐✈❡♥ ❙✉✐t✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t❤r❡❡ ❝❛r❞s ✇✐t❤ s✉✐t ❇✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷ ❣✐✈❡♥ t❤❛t ✐t ❤❛s s✉✐t ❇ ✐s P(F|E) = ✶ ❝❛r❞ ✇✐t❤ s✉✐t ❇ ❛♥❞ r❛♥❦ ✷ ✸ ❝❛r❞s ✇✐t❤ s✉✐t ❇ = ✶ ✸.

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SLIDE 40

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳

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SLIDE 41

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳

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SLIDE 42

❉r❛✇✐♥❣ ❛ ❈❛r❞✿ P(E|F) ✭●✐✈❡♥ ❘❛♥❦✮ ✷

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ▲❡t✬s ✜♥❞ t❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷✳ ❚❤❡ ❣✐✈❡♥ ❡✈❡♥t ♥❛rr♦✇s ❞♦✇♥ t❤❡ s❛♠♣❧❡ s♣❛❝❡ t♦ ❥✉st t❤❡ t✇♦ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷✳ ❚❤❡ ♣r♦❜❛❜✐❧✐t② t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇ ❣✐✈❡♥ t❤❛t ✐t ❤❛s r❛♥❦ ✷ ✐s P(E|F) = ✶ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ ❛♥❞ s✉✐t ❇ ✷ ❝❛r❞s ✇✐t❤ r❛♥❦ ✷ = ✶ ✷.

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SLIDE 43

❄✭✻✳✸✮ ■♥❞❡♣❡♥❞❡♥t❄

❖✉r ❝❛❧❝✉❧❛t✐♦♥s s♦ ❢❛r✿ ◮ P(E) = ✸/✽ ◮ P(F) = ✷/✽ ◮ P(F|E) = ✶/✸ ◮ P(E|F) = ✶/✷ ❆r❡ t❤❡ ❡✈❡♥ts E ❛♥❞ F ✐♥❞❡♣❡♥❞❡♥t❄ ❨❡s ♦r ♥♦❄

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SLIDE 44

❖❜s❡r✈❛t✐♦♥✿ P(E) ✈s✳ P(E|F)

◮ ◆♦t✐❝❡ t❤❛t P(E) = ✸ ✽, ❜✉t P(E|F) = ✶ ✷. ◆♦r♠❛❧❧②✱ ✇❡ ❤❛✈❡ ❛ ✸ ✐♥ ✽ ❝❤❛♥❝❡ ✭✵✳✸✼✺✮ ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ s✉✐t ❇✱ ❜✉t ✐❢ ✇❡ ❛r❡ ❣✐✈❡♥ t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s r❛♥❦ ✷✱ t❤❛t r❛✐s❡s t❤❡ ❝❤❛♥❝❡s ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ s✉✐t ❇ t♦ ✶✴✷ ✭✵✳✺✮✳

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SLIDE 45

❖❜s❡r✈❛t✐♦♥✿ P(F) ✈s✳ P(F|E)

◮ ◆♦t✐❝❡ t❤❛t P(F) = ✶ ✹, ❜✉t P(F|E) = ✶ ✸. ◆♦r♠❛❧❧②✱ ✇❡ ❤❛✈❡ ❛ ✶ ✐♥ ✹ ❝❤❛♥❝❡ ✭✵✳✷✺✮ ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷✱ ❜✉t ✐❢ ✇❡ ❛r❡ ❣✐✈❡♥ t❤❛t t❤❡ ❞r❛✇♥ ❝❛r❞ ❤❛s s✉✐t ❇✱ t❤❛t r❛✐s❡s t❤❡ ❝❤❛♥❝❡s ♦❢ ❞r❛✇✐♥❣ ❛ ❝❛r❞ ✇✐t❤ r❛♥❦ ✷ t♦ ✶✴✸ ✭❛❜♦✉t ✵✳✸✸✸✸✮✳

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SLIDE 46

■♥❞❡♣❡♥❞❡♥❝❡ ✇✐t❤ ▼✐ss✐♥❣ ❈❛r❞s

❙✉✐t ❭ ❘❛♥❦ ✶ ✷ ✸ ✹ ✺ ❆ ❆✶ ❆✷ ❆✸ ❆✹ ❆✺ ❇ ❇✶ ❇✷ ❇✸ ❙✐♥❝❡ P(F) = ✶ ✹, ❜✉t P(F|E) = ✶ ✸, t❤❡ ❡✈❡♥ts E ❛♥❞ F ❛r❡ ♥♦t ✐♥❞❡♣❡♥❞❡♥t✳

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SLIDE 47

◆❡①t ❚✐♠❡

❲❡ ✇✐❧❧ ❞♦ s♦♠❡ ♠♦r❡ ♣r❛❝t✐❝❡ ✇✐t❤ ❝♦♥❞✐t✐♦♥❛❧ ♣r♦❜❛❜✐❧✐t② ✉s✐♥❣ ❛ t❛❜❧❡✳