Engaging Activities A. Solve the following. Show your complete solution. 1. Say that you will have to wait for a bus. Assume that the amount of waiting time is normally distributed between 0 and 15 minutes. Suppose that the mean time of a person is 8 minutes and the standard deviation is 1.8. What is the probability that you will wait for less than 12.5 minutes?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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Engaging Activities
A. Solve the following. Show your complete solution.
1. Say that you will have to wait for a bus. Assume that the amount of waiting time is normally
distributed between 0 and 15 minutes. Suppose that the mean time of a person is 8 minutes
and the standard deviation is 1.8. What is the probability that you will wait for less than 12.5
minutes?
2. The length of time between charges of the battery of laptops is normally distributed with
a mean of 45 hours and a standard deviation of 12 hours. Fiel owns one of these laptops
and wants to know the probability that the length of time will be between 50 and 70 hours.
Transcribed Image Text:Engaging Activities A. Solve the following. Show your complete solution. 1. Say that you will have to wait for a bus. Assume that the amount of waiting time is normally distributed between 0 and 15 minutes. Suppose that the mean time of a person is 8 minutes and the standard deviation is 1.8. What is the probability that you will wait for less than 12.5 minutes? 2. The length of time between charges of the battery of laptops is normally distributed with a mean of 45 hours and a standard deviation of 12 hours. Fiel owns one of these laptops and wants to know the probability that the length of time will be between 50 and 70 hours.
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