Students in a business statistics class were asked what grade they expected in the course and whether
Question:
a. Find the probability that a randomly chosen student from this class worked on additional problems.
b. Find the probability that a randomly chosen student from this class expects an A.
c. Find the probability that a randomly chosen student who worked on additional problems expects an A.
d. Find the probability that a randomly chosen student who expects an A worked on additional problems.
e. Find the probability that a randomly chosen student who worked on additional problems expects a grade below B.
f. Are "worked additional problems" and "expected grade" statistically independent?
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Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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