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
It is given that the mean and standard deviation are 100 and 15, respectively.
From the given information, it can be observed that the shaded area represents area ...
75 100 x- P(x> 75) P 15 = P(>-1.67) 1-P(-167) 1-0.0475 = 0.9525
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