Suppose students' ages follow a right skewed distribution with a mean of 21 years old and a standard deviation of 2 years. If we select a random sample of size n= 25 students, what is the probability that the sample mean age is less than 20 years? O Not enough information. 00.3085 0.7892 O 0.4532

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
icon
Related questions
Question
Suppose students' ages follow a right skewed distribution with a mean of 21 years old and a standard deviation of 2 years.
If we select a random sample of size n= 25 students, what is the probability that the sample mean age is less than 20
years?
O Not enough information.
O 0.3085
0.7892
0.4532
Transcribed Image Text:Suppose students' ages follow a right skewed distribution with a mean of 21 years old and a standard deviation of 2 years. If we select a random sample of size n= 25 students, what is the probability that the sample mean age is less than 20 years? O Not enough information. O 0.3085 0.7892 0.4532
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,