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axell13965
12.07.2019 •
Mathematics
Find the z-score such that the area under the standard normal curve to the right is 0.370.37. click the icon to view a table of areas under the normal curve. the approximate z-score that corresponds to a right tail area of 0.370.37
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Ответ:
Ответ:
Using the standard normal table, it is found that the z-score is z = 0.33.
-------------------------
In a normal distribution with mean
and standard deviation
, the z-score of a measure X is given by:
![Z = \frac{X - \mu}{\sigma}](/tpl/images/0079/8542/21d7f.png)
It measures how many standard deviations the measure is from the mean. After finding the z-score, we look at the standard normal table and find the p-value associated with this z-score, which is the percentile of X. This p-value is the left-tailed area.The right-tailed area is 1 subtracted by the p-value.In this problem:
Right-tailed area of 0.37, thus the p-value is of 1 - 0.37 = 0.63.Looking at the standard normal table, the z-score is z = 0.33.A similar problem is given at link
Ответ:
0.15x = 24
x = 24/0.15
x = 160 workers