longer and F: female. a.) Find P(R|F). b.) Given that the chosen student does not have a longer ring finger, what's the probability that this person is male? Write your answer as a probability statement using correct symbols for the events.

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9.) Is there a relationship between gender and relative finger length? To find out, we
randomly selected 452 U.S. high school students who completed a survey. The two-way
table summarizes the relationship between gender and which finger was longer on the
left hand (index finger or ring finger).
Gender
Female
Male
Total
Index Finger
Ring Finger
Same Length
78
45
123
82
152
234
Longer Finger
52
43
95
Total
212
240
452
Suppose we randomly select one of the survey respondents. Define events R: ring finger
longer and F: female.
a.) Find P(R|F).
b.) Given that the chosen student does not have a longer ring finger, what's the
probability that this person is male? Write your answer as a probability statement
using correct symbols for the events.
Transcribed Image Text:9.) Is there a relationship between gender and relative finger length? To find out, we randomly selected 452 U.S. high school students who completed a survey. The two-way table summarizes the relationship between gender and which finger was longer on the left hand (index finger or ring finger). Gender Female Male Total Index Finger Ring Finger Same Length 78 45 123 82 152 234 Longer Finger 52 43 95 Total 212 240 452 Suppose we randomly select one of the survey respondents. Define events R: ring finger longer and F: female. a.) Find P(R|F). b.) Given that the chosen student does not have a longer ring finger, what's the probability that this person is male? Write your answer as a probability statement using correct symbols for the events.
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