Find the following probabilities: a. The student studies for the midterm b. The student does not get a B or better, given that the student studies for the midterm. c. The student studies for the midterm test, given that the student gets a B or better.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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A2. Suppose that the probability that a student
studies for the midterm is 0.72. Of those who
study for the test, 85% get a B or better. Of those
who do not study for the test 45% get a B or better.
A student is selected at random.
Find the following probabilities:
а.
The student studies for the midterm
b. The student does not get a B or better, given that
the student studies for the midterm.
c. The student studies for the midterm test, given
that the student gets a B or better.
Transcribed Image Text:A2. Suppose that the probability that a student studies for the midterm is 0.72. Of those who study for the test, 85% get a B or better. Of those who do not study for the test 45% get a B or better. A student is selected at random. Find the following probabilities: а. The student studies for the midterm b. The student does not get a B or better, given that the student studies for the midterm. c. The student studies for the midterm test, given that the student gets a B or better.
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