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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: %* ort* = Margin of Error: E = Confidence Interval: [ (Enter the positive one.) b. Interpret your result in part (a) in a complete sentence.

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: %* ort* = Margin of Error: E = Confidence Interval: [ (Enter the positive one.) b. Interpret your result in part (a) in a complete sentence.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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
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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: z* or t* Margin of Error: E = Confidence Interval: [ = (Enter the positive one.) ] b. Interpret your result in part (a) in a complete sentence.
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: z* or t* Margin of Error: E = Confidence Interval: [ = (Enter the positive one.) ] b. Interpret your result in part (a) in a complete sentence.
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