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

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 5CR
Question

9.c

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.
Click to view page 1 of the table. Click to view page 2 of the table.
The area of the shaded region is
(Round to four decimal places as needed.)
115
Transcribed Image Text: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. Click to view page 1 of the table. Click to view page 2 of the table. The area of the shaded region is (Round to four decimal places as needed.) 115
Expert Solution
Step 1: Normal distribution with mean= 100 and standard deviations=15

Random variable X ~N(u=100, sigma=15) 

then to find the area of the shaded region i. e to the left of x=115 

Statistics homework question answer, step 1, image 1

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