18. The distribution ages for students at the state college is positively skewed with a mean of u = 21.5 and a standard deviation of o = 3. a. What is the probability of selecting a random sam- ple of n than 23? (Careful: This is a trick question.) b. What is the probability of selecting a random sample of n = greater than 23? c. For a sample of n 36 students, what is the prob- ability that the average age is between 21 and 22? 4 students with an average age greater 36 students with an average age %3D

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
18. The distribution ages for students at the state college
is positively skewed with a mean of u = 21.5 and a
standard deviation of o = 3.
a. What is the probability of selecting a random sam-
ple of n
than 23? (Careful: This is a trick question.)
b. What is the probability of selecting a random
sample of n =
greater than 23?
c. For a sample of n 36 students, what is the prob-
ability that the average age is between 21 and 22?
4 students with an average age greater
36 students with an average age
%3D
Transcribed Image Text:18. The distribution ages for students at the state college is positively skewed with a mean of u = 21.5 and a standard deviation of o = 3. a. What is the probability of selecting a random sam- ple of n than 23? (Careful: This is a trick question.) b. What is the probability of selecting a random sample of n = greater than 23? c. For a sample of n 36 students, what is the prob- ability that the average age is between 21 and 22? 4 students with an average age greater 36 students with an average age %3D
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 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