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Mathematics, 26.10.2019 03:43 Jharsh2300
The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 16. a random sample of 310 salespeople was taken and the mean number of cars sold annually was found to be 66. find the 90% confidence interval estimate of the population mean. note: for each confidence interval, enter your answer in the form (lcl, ucl). you must include the parentheses and the comma between the confidence limits.
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