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A store surveys customers to see if they are satisfied with the service they receive. Samples...

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Basic Math

A store surveys customers to see if they are satisfied with theservice they receive. Samples of 75 surveys are taken. One in sixpeople are unsatisfied. What is the variance of the mean of thesampling distribution of sample proportions for the number ofunsatisfied customers? What is the variance for satisfiedcustomers?

Answer & Explanation Solved by verified expert
4.0 Ratings (423 Votes)
ConsiderP1 Population propertion of unsatisfied customers 16P2 Population propertion of satisfied customers 56n number of customers in sample 75X Number of unsatisfied customers in thesampleThe probability    See Answer
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