Graph shows 85 Find the area of the shaded region. The graph to the right depict

Question

Graph shows 85

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 area of the shaded region is

(Round to four decimal places as needed.)

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.

A graph with a bell-shaped curve, divided into 2 regions by a vertical line. The vertical line extends from the bell curve to the x-axis, and is located on the left half, under the curve. The region on the left of this line is shaded. The x-axis below the vertical line is labeled 85. Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normal The area of the shaded region is. (Round to four decimal places as needed.)

Explanation / Answer

as area is on the left side hence we need to calculate P(X<85)=P(Z<(85-100)/15)=P(Z<-1) =0.1587

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