A population of 2,800 students from a certain region have normally distributed National Examination scores with a mean of 89 and standard deviation of 5. What is the probability that a random sample of 35 students has a mean score above 90? Express your answer in percent form with 2 decimal places (with percent symbol - e.g. 10.00%)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
icon
Related questions
Question
1
1 point
A population of 2,800 students from a certain
region have normally distributed National
Examination scores with a mean of 89 and
standard deviation of 5.
What is the probability that a random sample of 35
students has a mean score above 90?
Express your answer in percent form with 2
decimal places (with percent symbol - e.g.
10.00%)
type your answer...
Transcribed Image Text:1 1 point A population of 2,800 students from a certain region have normally distributed National Examination scores with a mean of 89 and standard deviation of 5. What is the probability that a random sample of 35 students has a mean score above 90? Express your answer in percent form with 2 decimal places (with percent symbol - e.g. 10.00%) type your answer...
Expert Solution
steps

Step by step

Solved in 2 steps with 1 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