Suppose it is reported that 79 % of people subscribe to a cable or satellite television service. You decide to test this claim by randomly sampling 127 people and asking them if they subscribe to cable or satellite televsion. Suppose we find from our sample that 65 subscribe to cable or satellite television service. What is the sample proportion? ˆp=p^=  What is the probability that at least 65 subscribe to cable or satellite television service?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Suppose it is reported that 79 % of people subscribe to a cable or satellite television service. You decide to test this claim by randomly sampling 127 people and asking them if they subscribe to cable or satellite televsion.

Suppose we find from our sample that 65 subscribe to cable or satellite television service.

What is the sample proportion? ˆp=p^= 
What is the probability that at least 65 subscribe to cable or satellite television service? 
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