Sales personnel for Skillings Distributors submit weekly reports
listing the customer contacts made during the week....
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Sales personnel for Skillings Distributors submit weekly reportslisting the customer contacts made during the week. A sample of 85weekly reports showed a sample mean of 17.5 customer contacts perweek. The sample standard deviation was 5.7 . Provide 90% and 95%confidence intervals for the population mean number of weeklycustomer contacts for the sales personnel.
90% confidence interval, to 2 decimals:
_____ , _____
95% confidence interval, to 2 decimals
_____ , _______
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