Question

In: Statistics and Probability

A poll done for Newsweek found that 13% of Americans have seen or sensed the presence...

A poll done for Newsweek found that 13% of Americans have seen or sensed the presence of an angel. A contingent doubts that the percent is really that high. It conducts it's own survey. Out of 125 Americans surveyed, only 10 had seen or sensed the presence of an angel. As a result of the contingent's survey, at a 5% level of significance, would you agree with the Newsweek poll?

In your answer, shoe your hypothesis, your calculated z or t score, and your decision to reject or fail to reject the null hypothesis.

Solutions

Expert Solution

Yes,agree with the Newsweek poll


Related Solutions

A poll done for Newsweek found that 13% of Americans have seen or sensed the presence...
A poll done for Newsweek found that 13% of Americans have seen or sensed the presence of an angel. A contingent doubts that the percent is really that high. It conducts its own survey. Out of 76 Americans surveyed, only two had seen or sensed the presence of an angel. As a result of the contingent’s survey, would you agree with the Newsweek poll? Use a 1% percent level of significance to test the claim of the contingent. a) State...
A poll done for an organization found that 13% of Americans have seen or sensed the...
A poll done for an organization found that 13% of Americans have seen or sensed the presence of an angel. A contingent doubts that the percent is really that high. It conducts its own survey. Out of 78 Americans surveyed, only two had seen or sensed the presence of an angel. As a result of the contingent's survey, would you agree with the organization's poll? Conduct a hypothesis test at the 5% level. Note: If you are using a Student's...
A Gallup poll found that 493 of 1050 adult Americans believe it is the responsibility of...
A Gallup poll found that 493 of 1050 adult Americans believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. Construct and interpret a 90% confidence interval for the proportion of adult americans who believe it is the federal governments responsibility to make sure all americans have coverage? What does this interval suggest?
1) In a recent poll, the Gallup organization found that 45% of adult Americans believe that...
1) In a recent poll, the Gallup organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor. Suppose a survey of a random sample of 25 adult Americans is conducted in which they are asked to disclose their feelings on the overall state of moral values in the United States. Answer the questions below, showing work. Bare answers are not acceptable. (Showing work means writing the calculator command you...
1) In a recent poll, the Gallup organization found that 45% of adult Americans believe that...
1) In a recent poll, the Gallup organization found that 45% of adult Americans believe that the overall state of moral values in the United States is poor. Suppose a survey of a random sample of 25 adult Americans is conducted in which they are asked to disclose their feelings on the overall state of moral values in the United States. Answer the questions below, showing work. Bare answers are not acceptable. (Showing work means writing the calculator command you...
Please Answer the following regarding probability: 6. A 2011 Gallup poll found that 76% of Americans...
Please Answer the following regarding probability: 6. A 2011 Gallup poll found that 76% of Americans believe that high achieving high school students should be recruited to become teachers. This poll was based on a random sample of 1002 Americans. a) Find a 90% confidence interval for the proportion of Americans who would agree with this. b) Interpret your interval in this context. Please show all work. Please typed answers only, no handwriting.
Problem 1: Healthcare for all American A Gallup poll found that 493 of 1050 adult Americans...
Problem 1: Healthcare for all American A Gallup poll found that 493 of 1050 adult Americans believe it is the responsibility of the federal government to make sure all Americans have healthcare coverage. 1. What is the sample in this study? What is the population of interest? 2. What is the variable of interest in this study? Is it qualitative or quantitative? 3. Based on the results of this study, obtain a point estimate for the proportion of adult Americans...
. A poll found that 36% of U.S. teens aged from 13 to 17 years old...
. A poll found that 36% of U.S. teens aged from 13 to 17 years old have a computer with Internet access in their rooms. The poll was based on a random sample of 1028 teens. A) Give the 98% confidence interval for the population proportion, p. B) What does the interval in part (A) mean in this context. Be as specific as possible C) How big of a sample must we take in order to ensure that we are...
1.A poll conducted found that out of 1748 adult Americans without tattoos, 944 of them believe...
1.A poll conducted found that out of 1748 adult Americans without tattoos, 944 of them believe that individuals with tattoos are more rebellious. Construct a 95% CI for the population proportion. CI = (, ) 2. A poll conducted found that for a sample of 1006 adult Americans, the sample mean number of books read during the past year was 13.4 and the sample standard deviation was 16.6. Construct a 99% CI for the population mean. CI = ( ,...
A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia...
A 2005 Gallup Poll found that 7% of teenagers (ages 13 to 17) suffer from arachnophobia and are extremely afraid of spiders. At a summer camp there are 12 teenagers sleeping in each tent. Assume that these 12 teenagers are independent of each other. (a) Calculate the probability that at least 4 of them suffers from arachnophobia. (b) Calculate the probability that exactly 4 of them suffer from arachnophobia. (c) Calculate the probability that at most 11 of them suffers...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT