Posted by **Sara** on Wednesday, November 7, 2012 at 5:57pm.

A random sample of 14 evenings at the O'Sullivan house hold showed that the family received an average of 2.4 solicitation calls each evening. The sample standard deviation was s= 0.9. Find a 99% confidence interval for the population mean number of solicitation calls this family receives each night. Assume that the distribution of the number of solicitation calls this family distribution. Interpret the interval in the context of this problem. State what assumptions were met to use the method you selected.

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