Question: 2) Suppose it is desired to estimate the average time a customer spends in a particular store to within 2) 5 minutes (e.g., , 5

2) Suppose it is desired to estimate the average time a

customer spends in a particular store to within 2) 5 minutes (e.g.,

2) Suppose it is desired to estimate the average time a customer spends in a particular store to within 2) 5 minutes (e.g., , 5 minutes ) at 99 % reliability . It is estimated that the standard deviation of the times is 15 minutes . How large a sample should be taken to get the desired interval ? A ) n = 35 B) n = 25 ()n = 299 Dj n = 60

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