udents to meet the objectives of the course. In a sample of 45 students, 5 with a standard deviation of 53.5. Round all answers to THREE decima onstruct a 94% confidence interval for the mean number of hours it takes urse objectives. Critical value: 2* or t* = 1.931 Margin of Error: E = 15.400 X ✓o (Enter the positive one.
udents to meet the objectives of the course. In a sample of 45 students, 5 with a standard deviation of 53.5. Round all answers to THREE decima onstruct a 94% confidence interval for the mean number of hours it takes urse objectives. Critical value: 2* or t* = 1.931 Margin of Error: E = 15.400 X ✓o (Enter the positive one.
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 13PPS
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![A college offers a self-paced course in algebra. College officials are interested in the number of hours it
takes students to meet the objectives of the course. In a sample of 45 students, the mean number of hours
was 76.5 with a standard deviation of 53.5. Round all answers to THREE decimal places.
a. Construct a 94% confidence interval for the mean number of hours it takes for a student to meet the
course objectives.
Critical value: 2* or t*
1.931
Margin of Error: E = 15.400 X
Confidence Interval: 61.100 X
o (Enter the positive one.)
91.900 x]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2cfb9bd-fb54-4aaf-bf8d-6734f6abba07%2F8185699d-8393-4ae1-a820-49d471bd97e6%2Farb3kx_processed.png&w=3840&q=75)
Transcribed Image Text:A college offers a self-paced course in algebra. College officials are interested in the number of hours it
takes students to meet the objectives of the course. In a sample of 45 students, the mean number of hours
was 76.5 with a standard deviation of 53.5. Round all answers to THREE decimal places.
a. Construct a 94% confidence interval for the mean number of hours it takes for a student to meet the
course objectives.
Critical value: 2* or t*
1.931
Margin of Error: E = 15.400 X
Confidence Interval: 61.100 X
o (Enter the positive one.)
91.900 x]
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