Question
A study of the amount of time for students to finish test finds that all students take between 45 and 90 minutes, and all times
A study of the amount of time for students to finish test finds that all students take between 45 and 90 minutes, and all times in that range are equally likely.
What is the probability that a student takes more than 70 minutes to complete a test? Include 2 decimal places in your answer.
A study of the amount of time for students to finish test finds that all students take between 45 and 90 minutes, and all times in that range are equally likely.
What is the probability that a student takes between 45 and 70 minutes to finish the test? Include 2 decimal places in your answer.
A study of the amount of time for students to finish test finds that all students take between 45 and 90 minutes, and all times in that range are equally likely.
What is the average amount of time a student takes to finish the test? Include 1 decimal place in your answer.
minutes
A study of the amount of time for students to finish test finds that all students take between 45 and 90 minutes, and all times in that range are equally likely.
What is the standard deviation of X? Round your answer to 2 decimal places.
minutes
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Elementary Statistics Picturing The World
Authors: Ron Larson, Betsy Farber
6th Edition
9780321911216
