Essay
A department store has determined that 25% of all their sales are credit sales. A random sample of 60 sales is selected.
a.What is the sampling distribution of 
?
b.What is the probability that the sample proportion will be greater than 0.30?
c.What is the probability that the sample proportion will be between 0.20 to 0.30?
Correct Answer:
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a.E( 
) = 0.25 Stand...View Answer
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Correct Answer:
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) = 0.25 Stand...View Answer
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