Question
The owner of a coffee shop has found that the amount spent by customers at the shop is normally distributed with a mean of $6.80
The owner of a coffee shop has found that the amount spent by customers at the shop is normally distributed with a mean of $6.80 and a variance of 1.44 $2.If a random sample of 25 customers is selected, what is the probability that the average amount spent by this sample of customers will be greater than $7.40?
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Capital In The Twenty-First Century
Authors: Thomas Piketty, Arthur Goldhammer
1st Edition
067443000X, 9780674430006
