SECT ER 5 NORMAL PROBABILITY DISTRIBUTIONS 29. Gas Prices: New England During a certain week, the mean price of gasoline in the New England region was $3.796 per gallon. A random sample of 32 gas stations is selected from this population. What is the probability that the mean price for the sample was between $3.781 and $3.811 that week? Assume o = $0.045. (Adapted from U.S. Energy Information Administration) 30. Gas Prices: California During a certain week, the mean price of gasoline in California was $4.117 per gallon. A random sample of 38 gas stations is selected from this population. What is the probability that the mean price for the sample was between $4.128 and $4.143 that week? Assume o = $0.049. (Adapted from U.S. Energy Information Administration) 31. Heights of Women The mean height of women in the United States (ages 20-29) is 64.2 inches. A random sample of 60 women in this age group is selected. What is the probability that the mean height for the sample is greater than 66 inches? Assume o = 2.9 inches. (Adapted from National Center for Health Statistics) 32. Heights of Men The mean height
SECT ER 5 NORMAL PROBABILITY DISTRIBUTIONS 29. Gas Prices: New England During a certain week, the mean price of gasoline in the New England region was $3.796 per gallon. A random sample of 32 gas stations is selected from this population. What is the probability that the mean price for the sample was between $3.781 and $3.811 that week? Assume o = $0.045. (Adapted from U.S. Energy Information Administration) 30. Gas Prices: California During a certain week, the mean price of gasoline in California was $4.117 per gallon. A random sample of 38 gas stations is selected from this population. What is the probability that the mean price for the sample was between $4.128 and $4.143 that week? Assume o = $0.049. (Adapted from U.S. Energy Information Administration) 31. Heights of Women The mean height of women in the United States (ages 20-29) is 64.2 inches. A random sample of 60 women in this age group is selected. What is the probability that the mean height for the sample is greater than 66 inches? Assume o = 2.9 inches. (Adapted from National Center for Health Statistics) 32. Heights of Men The mean height
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
During a certain week, the
![SECT
ER 5
NORMAL PROBABILITY DISTRIBUTIONS
29. Gas Prices: New England During a certain week, the mean price of gasoline
in the New England region was $3.796 per gallon. A random sample of
32 gas stations is selected from this population. What is the probability that
the mean price for the sample was between $3.781 and $3.811 that week?
Assume o =
$0.045. (Adapted from U.S. Energy Information Administration)
30. Gas Prices: California During a certain week, the mean price of gasoline
in California was $4.117 per gallon. A random sample of 38 gas stations
is selected from this population. What is the probability that the mean
price for the sample was between $4.128 and $4.143 that week? Assume
o = $0.049. (Adapted from U.S. Energy Information Administration)
31. Heights of Women The mean height of women in the United States (ages
20-29) is 64.2 inches. A random sample of 60 women in this age group is
selected. What is the probability that the mean height for the sample is
greater than 66 inches? Assume o = 2.9 inches. (Adapted from National
Center for Health Statistics)
32. Heights of Men The mean height](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F486282da-3963-4c87-bba9-080fd3c51987%2Fca581485-a4aa-4fb7-b8c5-2cd9ddde006e%2Fqx6rzbw.jpeg&w=3840&q=75)
Transcribed Image Text:SECT
ER 5
NORMAL PROBABILITY DISTRIBUTIONS
29. Gas Prices: New England During a certain week, the mean price of gasoline
in the New England region was $3.796 per gallon. A random sample of
32 gas stations is selected from this population. What is the probability that
the mean price for the sample was between $3.781 and $3.811 that week?
Assume o =
$0.045. (Adapted from U.S. Energy Information Administration)
30. Gas Prices: California During a certain week, the mean price of gasoline
in California was $4.117 per gallon. A random sample of 38 gas stations
is selected from this population. What is the probability that the mean
price for the sample was between $4.128 and $4.143 that week? Assume
o = $0.049. (Adapted from U.S. Energy Information Administration)
31. Heights of Women The mean height of women in the United States (ages
20-29) is 64.2 inches. A random sample of 60 women in this age group is
selected. What is the probability that the mean height for the sample is
greater than 66 inches? Assume o = 2.9 inches. (Adapted from National
Center for Health Statistics)
32. Heights of Men The mean height
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