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April 20, 2014

Homework Help: STATISTICS

Posted by Hayli on Wednesday, September 29, 2010 at 9:50pm.

Who is the king of the late night TV? An internet survey estimates that, when given a choice between David Letterman and Jay Leno, 52% of the population prefers to watch Jay Leno. Suppose that you randomly select three late night TV watchers and ask them which of the two talk show hosts they prefer.

a-Find the probability distribution for x, the number of people in the sample of three who would prefer Jay Leno.
b-What is the probability that exactly one of the three would prefer Jay Leno?
c-What are the population mean and standard deviation for the random variable x?

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