Question
***I would like to see this done in Excel please*** The mean tax-return preparation fee H&R Block charged retail customers in 2012 was $183 (
***I would like to see this done in Excel please***
The mean tax-return preparation fee H&R Block charged retail customers in 2012 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 $50.
Round your answers to four decimal places.
a.What is the probability that the mean price for a sample of 30 H&R Block retail customers is within $8 of the population mean?
b.What is the probability that the mean price for a sample of 50 H&R Block retail customers is within $8 of the population mean?
c.What is the probability that the mean price for a sample of 100 H&R Block retail customers is within $8 of the population mean?
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