The students at Taft High have the following joint probability distributión: freshman sophomore junior senior total male .10 .15 .20 .10 .55 female .15 .10 .10 10 .45 .25 30 .20 1.0 Total: .25 A student is selected at random. Find the probability: a) the student is a junior OR the student is male h) The student is a junior, given that the student is male.
The students at Taft High have the following joint probability distributión: freshman sophomore junior senior total male .10 .15 .20 .10 .55 female .15 .10 .10 10 .45 .25 30 .20 1.0 Total: .25 A student is selected at random. Find the probability: a) the student is a junior OR the student is male h) The student is a junior, given that the student is male.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:The students at Taft High have the following joint probability distribution:
freshman
sophomore
junior
senior
total
male
.10
.15
20
.10
.55
10
10
.10
.45
female
.15
25
30
20
1.0
Total:
.25
A student is selected at random. Find the probability:
a) the student is a junior OR the student is male
b) The student is a junior, given that the student is male.
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