6. What is the probability that no more than 156 U.S adults of the 240 surveyed believe solar energy is very effective in minimizing air pollution? What is p? 0.65 V (decimal form) What is the z-score? 0.1578 x (Round to the hundredths place) What is the probability that no more than 156 U.S. adults of the 240 surveyed believe solar energy is very effective in minimizing air pollution? 0.1578 x (decimal form)

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Question
100%
just the wrong ones
on 9
Normal Approximation
y correct
pints out
According to the May 16,2017 report by Pew Research, 68% of US adults say solar energy is very effective in minimizing air pollution.
A sample of 240 U.S adults are surveyed. Let p be the sample proportion of Americans who believe solar energy is very effective in
g question
minimizing air pollution.
1. What is the population proportion? 0.68
v (decimal form)
2. What is the sample size? 240
3. Can the normal approximation be used with this distribution?
Yes, the population distribution is normally distributed. x
4. What is the mean of the sampling proportion? 0.68
5. What is the standard deviation of the sampling proportion? 0.0301
(Round to 4th decimal place)
6. What is the probability that no
air pollution?
than 156 U.S adults of the 240 surveyed believe solar energy is very effective in minimizing
What is p? 0.65
V (decimal form)
What is the z-score? 0.1578
x (Round to the hundredths place)
What is the probability that no more than 156 U.S. adults of the 240 surveyed believe solar energy is very effective in
minimizing air pollution? 0.1578
x (decimal form)
P Type here to search
A+
DELL
Transcribed Image Text:on 9 Normal Approximation y correct pints out According to the May 16,2017 report by Pew Research, 68% of US adults say solar energy is very effective in minimizing air pollution. A sample of 240 U.S adults are surveyed. Let p be the sample proportion of Americans who believe solar energy is very effective in g question minimizing air pollution. 1. What is the population proportion? 0.68 v (decimal form) 2. What is the sample size? 240 3. Can the normal approximation be used with this distribution? Yes, the population distribution is normally distributed. x 4. What is the mean of the sampling proportion? 0.68 5. What is the standard deviation of the sampling proportion? 0.0301 (Round to 4th decimal place) 6. What is the probability that no air pollution? than 156 U.S adults of the 240 surveyed believe solar energy is very effective in minimizing What is p? 0.65 V (decimal form) What is the z-score? 0.1578 x (Round to the hundredths place) What is the probability that no more than 156 U.S. adults of the 240 surveyed believe solar energy is very effective in minimizing air pollution? 0.1578 x (decimal form) P Type here to search A+ DELL
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