Assume X is normally distributed with a mean 120 and standard deviation of 15. Determine the following probabilities. (a) P( X > 120) (b) P( 90< X < 140 ) (Write the answers up to 4 decimal places. Example: 0.1234) Click this link for Normal table: https://drive.google.com/drive/folders/10Vh9 usp=sharing (a) P(X >120)= (b) P( 90 < X< 140)=

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Assume X is normally distributed with a
mean 120 and standard deviation of 15.
Determine the following probabilities.
(a) P( X > 120)
(b) P( 90< X < 140 )
(Write the answers up to 4 decimal places.
Example: 0.1234)
Click this link for Normal table:
https://drive.google.com/drive/folders/10Vh9s
usp=sharing
(a) P(X >120)=
(b) P( 90 < X < 140)=
Transcribed Image Text:Assume X is normally distributed with a mean 120 and standard deviation of 15. Determine the following probabilities. (a) P( X > 120) (b) P( 90< X < 140 ) (Write the answers up to 4 decimal places. Example: 0.1234) Click this link for Normal table: https://drive.google.com/drive/folders/10Vh9s usp=sharing (a) P(X >120)= (b) P( 90 < X < 140)=
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