Author Question: Find the z-score for the value 100, when the mean is 69 and the standard deviation is 5. (Read 64 times)

renzo156 · **on:** Feb 14, 2020

Question 1

A recent survey was conducted to compare the cost of solar energy to the cost of gas or electric energy. Results of the survey revealed that the distribution of the amount of the monthly utility bill of a 3-bedroom house using gas or electric energy had a mean of

and a standard deviation of

Assuming the distribution is mound-shaped and symmetric, would you expect to see a 3-bedroom house using gas or electric energy with a monthly utility bill of

Explain.

Question 2

Find the z-score for the value 100, when the mean is 69 and the standard deviation is 5.
◦ z = 6.00
◦ z = -1.38
◦ z = 1.38
◦ z = 6.20

stillxalice · **Reply #1 on:** Feb 14, 2020

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