Question: Suppose you are planning to sample cat owners to determine the average number of cans of cat food they purchase monthly. The following standards have

Suppose you are planning to sample cat owners to determine the average number of cans of cat food they purchase monthly. The following standards have been set: a confidence level of 99 percent and an error of less than five units. Past research has indicated that the standard deviation should be 6 units. What is the required sample size?


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