Exercise 11.119 describes a random variable that counts the number of college graduates in a sample. Use
Question:
Exercise 11.119 describes a random variable that counts the number of college graduates in a sample. Use the information in that exercise to find the mean and standard deviation of this random variable.
Exercise 11.119
From the 2010 US Census, we learn that 27.5% of US adults have graduated from college. If we take a random sample of 12 US adults, what is the probability that exactly 6 of them are college graduates?
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This is a binomial random variable w...View the full answer
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Related Book For 
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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