According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes in Syria in response to reports of the use of chemical weapons by Bashar al-Assads government (the Syrian government). A sample of 50 Americans are surveyed. Let p be the sample proportion of Americans who approve the U.S. missile strikes. 1. What is the population proportion? 58 (decimal form) 2. What is the sample size? 50 3. Can the normal approximation be used with this distribution? Yes, the sample distribution meets the "rule of thumb

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 4E
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Question
y comect
oints out
According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes in Syria in
response to reports of the use of chemical weapons by Bashar al-Assads government (the Syrian government).
A sample of 50 Americans are surveyed. Let p be the sample proportion of Americans who approve the U.S.
DO
on
missile strikes.
1. What is the population proportion? 58
v (decimal form)
2. What is the sample size? 50
3. Can the normal approximation be used with this distribution?
Yes, the sample distribution meets the "rule of thumb v
4. What is the mean of the sampling proportion? 58
5. What is the standard deviation sampling proportion? 3
x (Round to 4 decimal places.)
6. What is the probability that no more than 25 Americans of the 50 in the survey approve of the missile
strikes?
o What is p? 5
o What is the z-score?-8.33
x (Round to the nearest hundredth.)
• What is the requested probability? P(p: v 0.5) =
3
7. What is the probability that more than 30 of the 50 Americans in the survey approved of the missile
strikes?
• What is p?
• What is the z-score? 6.67
x (Round to the nearest hundredth.)
• What is the requested probability? P(p
0.6)
DELL
Transcribed Image Text:y comect oints out According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes in Syria in response to reports of the use of chemical weapons by Bashar al-Assads government (the Syrian government). A sample of 50 Americans are surveyed. Let p be the sample proportion of Americans who approve the U.S. DO on missile strikes. 1. What is the population proportion? 58 v (decimal form) 2. What is the sample size? 50 3. Can the normal approximation be used with this distribution? Yes, the sample distribution meets the "rule of thumb v 4. What is the mean of the sampling proportion? 58 5. What is the standard deviation sampling proportion? 3 x (Round to 4 decimal places.) 6. What is the probability that no more than 25 Americans of the 50 in the survey approve of the missile strikes? o What is p? 5 o What is the z-score?-8.33 x (Round to the nearest hundredth.) • What is the requested probability? P(p: v 0.5) = 3 7. What is the probability that more than 30 of the 50 Americans in the survey approved of the missile strikes? • What is p? • What is the z-score? 6.67 x (Round to the nearest hundredth.) • What is the requested probability? P(p 0.6) DELL
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Follow-up Question
Syria
According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S.
missile strikes in Syria in response to reports of the use of chemical weapons by Bashar
al-Assad's government (the Syrian government). A sample of 50 Americans are
surveyed. Let p be the sample proportion of Americans who approve the U.S. missile
strikes.
1. What is the population proportion? .58
(decimal form)
2. What is the sample size?
3. Can the normal approximation be used with this distribution?
Yes, the sample distribution meets the "rule of thumb.
4. What is the mean of the sampling proportion? 58.5
5. What is the standard deviation sampling proportion? 3x
x (Round
to 4 decimal places.)
6. What is the probability that no more than 25 Americans of the 50 in the survey
approve of the missile strikes?
oWhat is p? 5
What is the z-score? 800
X (Round to the nearest hundredth.)
Transcribed Image Text:Syria According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes in Syria in response to reports of the use of chemical weapons by Bashar al-Assad's government (the Syrian government). A sample of 50 Americans are surveyed. Let p be the sample proportion of Americans who approve the U.S. missile strikes. 1. What is the population proportion? .58 (decimal form) 2. What is the sample size? 3. Can the normal approximation be used with this distribution? Yes, the sample distribution meets the "rule of thumb. 4. What is the mean of the sampling proportion? 58.5 5. What is the standard deviation sampling proportion? 3x x (Round to 4 decimal places.) 6. What is the probability that no more than 25 Americans of the 50 in the survey approve of the missile strikes? oWhat is p? 5 What is the z-score? 800 X (Round to the nearest hundredth.)
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