The time to complete an on-line quiz for a randomly chosen student in a statistics class is a normal random variable with a mean of 45 minutes and a standard deviation of 10 minutes. What percent of the class will have finished the quiz by 55 minutes? State your answer, as a percentage, to only one(1) decimal place. Answer:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3CYU
icon
Related questions
Question
100%

Need help with this question. Thank you :)

 

The time to complete an on-line quiz for a randomly chosen student in a statistics class is a
normal random variable with a mean of 45 minutes and a standard deviation of 10 minutes.
What percent of the class will have finished the quiz by 55 minutes?
State your answer, as a percentage, to only one(1) decimal place.
Answer:
Transcribed Image Text:The time to complete an on-line quiz for a randomly chosen student in a statistics class is a normal random variable with a mean of 45 minutes and a standard deviation of 10 minutes. What percent of the class will have finished the quiz by 55 minutes? State your answer, as a percentage, to only one(1) decimal place. Answer:
Expert 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
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
PREALGEBRA
PREALGEBRA
Algebra
ISBN:
9781938168994
Author:
OpenStax
Publisher:
OpenStax