Asked Nov 14, 2019

Find the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The shaded area is 75


Expert Answer

Step 1

It is given that the mean and standard deviation are 100 and 15, respectively.

Step 2

From the given information, it can be observed that the shaded area represents area ...

75 100
P(x> 75) P
= P(>-1.67)
= 0.9525

Image Transcriptionclose

75 100 x- P(x> 75) P 15 = P(>-1.67) 1-P(-167) 1-0.0475 = 0.9525


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