For problems 7-10, assume the random variable x is normally distributed with a mean of 86 and a standard deviation of 5. Find the indicated probability. 7. P(x<80)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
icon
Related questions
icon
Concept explainers
Topic Video
Question
#7
For problems 7-10, assume the random variable x is normally distributed with a
mean of 86 and a standard deviation of 5. Find the indicated probability.
7. P(x<80)
8. P(x>92)
9. P(70<x< 80)
10. P(85<x<95)
11. A survey was conduced to measure the height of U.S. men. In the survey,
respondents were grouped by age. In the 20-29 age group, the heights were normally
distributed, with a mean of 69.6 inches and a standard deviation of 3 inches. A study
participant is randomly selected.
Page 1 / 3
a. Find the probability that his height is less than 66 inches.
Co
%23
&
*
4.
6
8.
e
f
h
j
Transcribed Image Text:For problems 7-10, assume the random variable x is normally distributed with a mean of 86 and a standard deviation of 5. Find the indicated probability. 7. P(x<80) 8. P(x>92) 9. P(70<x< 80) 10. P(85<x<95) 11. A survey was conduced to measure the height of U.S. men. In the survey, respondents were grouped by age. In the 20-29 age group, the heights were normally distributed, with a mean of 69.6 inches and a standard deviation of 3 inches. A study participant is randomly selected. Page 1 / 3 a. Find the probability that his height is less than 66 inches. Co %23 & * 4. 6 8. e f h j
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Application of Algebra
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning