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.
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The area of the shaded region is (Round to four decimal places as needed.)
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0.4255

Step-by-step explanation:

Given:  IQ scores of adults, and those scores are normally distributed

Mean:

Standard deviation:

Let X denotes the IQ of a random adults.

The area between 102 and 130 =

Hence, area between 102 and 130 = 0.4255

answer: there are x+184 pages in olivia's book.

step-by-step explanation:

let the total number of pages in the book which olive has already read be x.

then if olive has 184 pages left to read, then the total number of pages are in olive's book= pages she has read+pages she has left to read

therefore, the total number of pages in olivia's book=

hence, there are x+184 pages in olivia's book.