probability that the sample mean will be larger than 81 years?
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
Related questions
Question
number 26
ou may need to use the appropriate appendix table or technology to answer this question.
The life expectancy of a certain country is 79 with a standard deviation of 6 years. A random sample of 64 individuals is selected. (Round your answers to four decimal places.)
(a)
What is the probability that the sample mean will be larger than 81 years?
(b)
What is the probability that the sample mean will be less than 77.5 years?
(c)
What is the probability that the sample mean will be between 77 and 82 years?
(d)
What is the probability that the sample mean will be between 76 and 78 years?
(e)
What is the probability that the sample mean will be larger than 77 years?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
Knowledge Booster
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
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill