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Mathematics, 23.11.2019 14:31 kyracrapse121

Ahair salon in cambridge, massachusetts, reports that on seven randomly selected weekdays, the number of customers who visited the salon were 40, 30, 28, 22, 36, 16, and 50. it can be assumed that weekday customer visits follow a normal distribution. [you may find it useful to reference the t table.] a. construct the 90% confidence interval for the average number of customers who visit the salon on weekdays. (round intermediate calculations to at least 4 decimal places, "sample mean" and "sample standard deviation" to 2 decimal places. round "t" value to 3 decimal places and final answers to 2 decimal places.)

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