In the US, 37.5% of US adults have graduated from college. Suppose we take a random sample of 12 US adults. a) What is the probability that exactly 5 of the 12 adults graduated from college? b) How many of the 12 adults do we expect to be college graduates? c) What is the standard deviation for this random variable?
In the US, 37.5% of US adults have graduated from college. Suppose we take a random sample of 12 US adults. a) What is the probability that exactly 5 of the 12 adults graduated from college? b) How many of the 12 adults do we expect to be college graduates? c) What is the standard deviation for this random variable?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
Related questions
Question
In the US, 37.5% of US adults have graduated from college. Suppose we take a
random sample of 12 US adults.
a) What is the
b) How many of the 12 adults do we expect to be college graduates?
c) What is the standard deviation for this random variable?
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