the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean?..1 answer below »

the mean is 146, and standard deviation is 35. A score of 181 is how many z-scores above the mean? The following figure shows the normal distribution with the proportion of the area under the normal curve contained within one, two, and three standard deviations of the mean. The last proportion on each side, 0.13%, depicts the remaining area under the curve. Specifically, 0.13% of the area under the standard normal distribution is located above z-score values greater than the mean (P) plus three standard deviations (+30). Also, because the normal distribution is symmetrical, 0.13% of the area under the standard normal distribution is located below z-score values less than the mean (µ) minus three standard deviations (-30).

Use the figure to help you answer the following

Feb 05 2021 12:26 PM

1 Approved Answer

R S
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February 07, 2021

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Given that X is normal with mean =146 and std dev =35 We know that...

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