11) Assume that blood pressure readings are normally distributed with 124 and σ = 16. a) If 20 people are randomly selected, find the probability that their blood pressure will be more than 130. b) If 20 people are randomly selected, find the probability that their mean blood pressure will be less than 130. c) If 20 people are randomly selected, find the probability that their mean blood pressure will be between 125 and 130.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 29T
icon
Related questions
Question
11? the word "mean" was left out. It should read: "If 20 people are randomly selected, find the probability that their meanblood pressure will be more than 130."
11) Assume that blood pressure readings are normally distributed with 124 and σ = 16.
a) If 20 people are randomly selected, find the probability that their blood pressure will be more than 130.
b) If 20 people are randomly selected, find the probability that their mean blood pressure will be less than 130.
c) If 20 people are randomly selected, find the probability that their mean blood pressure will be between 125
and 130.
Transcribed Image Text:11) Assume that blood pressure readings are normally distributed with 124 and σ = 16. a) If 20 people are randomly selected, find the probability that their blood pressure will be more than 130. b) If 20 people are randomly selected, find the probability that their mean blood pressure will be less than 130. c) If 20 people are randomly selected, find the probability that their mean blood pressure will be between 125 and 130.
Expert Solution
steps

Step by step

Solved in 2 steps with 4 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt