SOLUTION: Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, , spent by customers at the

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Question 455894: Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The mean shopping time, , spent by customers at the supermarkets has been reported to be minutes, but executives hire a statistical consultant and ask her to determine whether it can be concluded that is greater than minutes .
To perform her statistical test, the consultant collects a random sample of shopping times at the supermarkets. She computes the mean of these times to be minutes and the standard deviation of the times to be minutes.

Found 2 solutions by edjones, richard1234:
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
There is no question and there are no numbers.

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
I hope you didn't copy/paste half the question and leave out the numbers.