Sales personnel for Skilling Distributors submit weekly reports listing the customer contacts made during the week. A sa

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Sales personnel for Skilling Distributors submit weekly reportslisting the customer contacts made during the week. A sample of 65weekly reports showed a sample mean of 19.5 customer contacts perweek. The sample standard deviation was 5.2. Provide 99% confidenceinterval for the population mean number of weekly customer contactsfor the sales personnel.