marainafolta
01.09.2020 •
Mathematics
The head of maintenance at XYZ Rent-A-Car believes that the mean number of miles between services is 3583 miles, with a variance of 162,409. If he is correct, what is the probability that the mean of a sample of 41 cars would be less than 3488 miles?
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Ответ:
144 p
Step-by-step explanation:
It was due to be returned on 26 November but she returned it on 12 December.
She was therefore with it for an extra 16 days.
The fine is 9p per day. Therefore, she will pay a fine of:
9 * 16 = 144 p