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The average college student goes through 500 disposable cups in a year. To raise environmental awareness, a student group at a large university volunteered to help count how many cups were used by students on their campus. Random sample of 50 students' results found that they used a mean of 476 cups with σ=42 cups. At a=0.01, is there sufficient evidence to conclude that the mean differs from 500?

The average college student goes through 500 disposable cups in a year. To raise environmental awareness, a student group at a large university volunteered to help count how many cups were used by students on their campus. Random sample of 50 students' results found that they used a mean of 476 cups with σ=42 cups. At a=0.01, is there sufficient evidence to conclude that the mean differs from 500?

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
Section10.3: Measures Of Spread
Problem 1GP
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The average college student goes through 500 disposable cups in a year. To raise environmental awareness, a student group at a large university volunteered to help count how many cups were used by students on their campus. Random sample of 50 students' results found that they used a mean of 476 cups with o=42 cups. At a=0.01, is there sufficient evidence to conclude that the mean differs from 500?
Transcribed Image Text:The average college student goes through 500 disposable cups in a year. To raise environmental awareness, a student group at a large university volunteered to help count how many cups were used by students on their campus. Random sample of 50 students' results found that they used a mean of 476 cups with o=42 cups. At a=0.01, is there sufficient evidence to conclude that the mean differs from 500?
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