Mathematics, 27.10.2020 01:20 romaguera06
A research marketer for an online retail store was interested in the number of times per month stay-at-home moms bought items from online retail stores. She found the mean is 15 items and the standard deviation is 3 items purchased from online retail stores each month.
Using the empirical rule, approximately what percent of stay-at-home moms bought more than 21 items from online retail stores each month?
2.50%
5.0%
10.0%
16.0%
95.0%
Answers: 2
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A research marketer for an online retail store was interested in the number of times per month stay-...
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