Mathematics, 15.04.2020 20:52 aidan0824

What is the probability that the mean price for a sample of 300 H&R Block retail customers is within $12 of the population mean (i. e. +/- 12) ? The mean preparation fee H&R Block charged retail customers in 2011 was $183 (The Wall Street Journal, March 7, 2012). Use this price as the population mean and assume the population standard deviation of preparation fees is $45.

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What is the probability that the mean price for a sample of 300 H&R Block retail customers is wi...