Mathematics, 02.05.2021 02:10 Benthega
According to the May 16,2017 report by Pew Research, 45% of US adults say solar energy is very effective in minimizing air pollution. A sample of 160 U. S adults is surveyed. Let be the sample proportion of Americans who believe solar energy is very effective in minimizing air pollution.
What is the population proportion?
What is the sample size?
Can the normal approximation be used with this distribution?
What is the mean of the sampling proportion?
What is the standard deviation of the sampling proportion?
What is the probability that no more than 76 U. S adults of the 160 surveyed believe solar energy is very effective in minimizing air pollution?
- What is p hat ?
- What is the z-score?
- What is the probability that no more than 76 U. S. adults of the 160 surveyed believe solar energy is very effective in minimizing air pollution?
Answers: 1
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According to the May 16,2017 report by Pew Research, 45% of US adults say solar energy is very effec...
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