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
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5
Answers: 1
Mathematics, 21.06.2019 16:50
Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?
Answers: 2
Mathematics, 21.06.2019 21:00
The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years
Answers: 1
Mathematics, 21.06.2019 21:00
Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.
Answers: 3
You know the right answer?
According to the May 16,2017 report by Pew Research, 45% of US adults say solar energy is very effec...
Questions
History, 23.03.2021 21:10
Mathematics, 23.03.2021 21:10
Mathematics, 23.03.2021 21:10
Social Studies, 23.03.2021 21:10
History, 23.03.2021 21:10
English, 23.03.2021 21:10
Computers and Technology, 23.03.2021 21:10
Mathematics, 23.03.2021 21:10
Mathematics, 23.03.2021 21:10
Chemistry, 23.03.2021 21:10
History, 23.03.2021 21:10
Computers and Technology, 23.03.2021 21:10
