N ional Probability Quick Review: "the rules" (the general rules that work in all situations) • P(ANB) = • P(AUB) = • P("not A") = P(AC) = Scenario I: Choose ONE person (at random) from the table below. This is a "two-way" table of gender & eye color. Use the table to find the probability of each event. Blue 25 13 38 Male Female Total a. P(blue eyes) = Brown 39 35 74 P(blue eyes male) = Green 30 28 58 Total 94 76 170 P(blue eyes female) = b. In light of your answers to part a, complete this sentence: "Gender and eye color independent.

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6
N
probability Practice #4: Conditional Probability
Quick Review: "the rules" (the general rules that work in all situations)
• P(An B) =
• P(AUB) =
• P("not A") = P(AC) =
Scenario I: Choose ONE person (at random) from the table below. This is a "two-way" table of gender & eye color.
Use the table to find the probability of each event.
Blue
25
Male
Female
Total
a. P(blue eyes) =
13
38
Brown
d. P(female) P(brown eyes) =
39
35
74
e. Since P(brown - eyed female)
the statement in letter b, above.
P(blue eyes male) =
P(brown eyes) =
Green
30
b. In light of your answers to part a, complete this sentence: "Gender and eye color
independent.
c. P(female) =
28
58
BÖ
Total
94
f. Find P(brown eyed female) by substituting into the formula below:
P(blue eyes female) =
76
170
P(brown-eyed female) =
(IS/IS NOT) equal to P(female) P (brown eyes), this confirms
P(brown eyes n female) = P(brown) P(female brown eyes) =
Transcribed Image Text:6 N probability Practice #4: Conditional Probability Quick Review: "the rules" (the general rules that work in all situations) • P(An B) = • P(AUB) = • P("not A") = P(AC) = Scenario I: Choose ONE person (at random) from the table below. This is a "two-way" table of gender & eye color. Use the table to find the probability of each event. Blue 25 Male Female Total a. P(blue eyes) = 13 38 Brown d. P(female) P(brown eyes) = 39 35 74 e. Since P(brown - eyed female) the statement in letter b, above. P(blue eyes male) = P(brown eyes) = Green 30 b. In light of your answers to part a, complete this sentence: "Gender and eye color independent. c. P(female) = 28 58 BÖ Total 94 f. Find P(brown eyed female) by substituting into the formula below: P(blue eyes female) = 76 170 P(brown-eyed female) = (IS/IS NOT) equal to P(female) P (brown eyes), this confirms P(brown eyes n female) = P(brown) P(female brown eyes) =
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