# Your answer is correct d the mean is 10 and the

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Module 6 Quiz.docx

The mean is 0 and the standard deviation is 1.Your answer is correct.D.The mean is 10 and the standard deviation is 100.
Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find Upper P 81P81, which separates the bottom 81% from the top 19%. Round to two decimal places.
In one region, the September energy consumption levels for single-family homes are found to be normallydistributed with a mean of 1050 kWh and a standard deviation of 218 kWh. For a randomly selected home, find the probability that the September energy consumption level is between 1100 kWh and 1225 kWh. Round to four decimal places.
If z is a standard normal variable, find P(zgreater than>0.97). Round to four decimal places.
A study of the amount of time it takes a mechanic to rebuild the transmission for a 2010 Chevrolet Colorado shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. If 40 mechanics are
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