The mean number of minutes spent on a treadmill at the local gym is 28 minutes with a standard deviation of 8. If Kurt's z-score is 1.75, how much time did he spent on the treadmill?

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Anastasiya asked Dec 21, 2022

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4 votes

The mean number of minutes spent on a

treadmill at the local gym is 28 minutes with a
standard deviation of 8. If Kurt's z-score is
1.75, how much time did he spent on the
treadmill?

Mathematics
high-school

Anastasiya asked Dec 21, 2022

by Anastasiya

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1 Answer

13 votes

Answer:

With a z score of 1.75, mean of 28 and standard deviation of 8

1.75=(Xi-28)/8

14=(Xi-28)

42 = Xi

Kurt was on the treadmill for 42 minutes

Explanation:

Arham Chowdhry answered Dec 28, 2022

by Arham Chowdhry

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