A survey asked, "Do you think that homeless people are responsible for the situation they are in?" Of the 2,501 Americans surveyed, 1,401 said no. (a) Determine the sample proportion of Americans who think that homeless people are not responsible for the situation they are in. (Round your answer to the nearest whole number.) Sample proportion is % (b) With an 80% level of confidence, find the margin of error (MOE) associated with the sample proportion. (Give the answer to one decimal place, if needed.) MOE = % (c) With a 95% level of confidence, find the margin of error (MOE) associated with the sample proportion. (Give the answer to one decimal place, if needed.) MOE = %

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A: Given: The sample number of customers that were surveyed is n=147. The number of customers who…

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A:

Q: Determine the sample proportion. It has been determined with 95% confidence that the proportion of…

A:

Q: In 1941, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: We have given that For the survey taken in 1941 n1 = 1100x1 = 374p̂ = x1/n1 = 151/429 = 0.3520 And…

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: Bopulation proportion of 1943 adults who were total abstainers and p, represent the population…

A: Solution: Given N1=1100,  X1=429 N2=1100,  X2=374 (α)= 0.05

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Q: In a survey, 1000 respondents were asked about product preference. Of the interviewed, 65% favored a…

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Q: I want to estimate the proportion of college professors who believe in aliens. How many college…

A: It is given that margin of error (E) is 0.05 and the confidence level is 0.95.

Q: I want a 99% confidence within 2% for the true proportion of bald people in the US.  How many people…

A: Given that, Margin of error E=0.02 Confidence level is 99% Critical value: The two tailed z critical…

Q: A national health survey weighed a sample of 260 boys aged 6-11 and found that 45 of them were…

A: Hypothesis Testing

Q: A restaurant chain would like to measure the proportion of customers who are generally satisfied…

A: During a 1-week period, 147 customers were surveyed and 93% of them reported as being either…

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that - A poll in Canada states that 67% of all respondents favor imposing the death penalty.…

Q: When asked what they consider to be the best birthday present, 64% of a random sample of  800 adults…

A: The Margin of Eroor (MOE) = z * √p * (1 - p) / √nWhere: z = 1.96 for a confidence level (α) of 95%,…

Q: Consider a simple poll that is measuring the proportion of citizens that hold a particular political…

A:

Q: A research firm needs to estimate within 3% the proportion of junior executives leaving large…

A: From the given information , E = 3% = 0.03 = 0.41Confidence level , C = 0.95

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: In 1942 ​, an organization surveyed 1100   adults and​ asked, "Are you a total abstainer​ from, or…

A: The proportion of considered subjects, on which we are interested from a sample can be termed as…

Q: A television sports commentator wants to estimate the proportion of citizens who​ "follow…

A: Solution: From the given information, confidence level is 0.96 and E=0.02.

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: In 2007, the CDC reported that approximately 6.6 per 1000 (0.66%) children were affected with autism…

A:

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let, X1= number of abstainer in the previous test n1= total sample size of the past test p1^ =…

Q: A business magazine article claims that a majority of women age 22 to 35 who work full time would be…

A: given data claim : p >0.5n = 1000x = 540p value = ?

Q: Why a sample size of n=100 is more likely to have a percentage of pop songs closer to the population…

A: Sample of size 32 or greater is consider as large sample .

Q: should their sample size be?

A: here use solvin's formula

Q: In 1944​, an organization surveyed 1100 adults and​ asked, "Are you a total abstainer​ from, or do…

A: We habe to find given proportion.

Q: In the Star and Tribune newspaper, there is an article entitled “1 in 8 school buses fail tests."…

A: Given information: Sample of 200 buses and find that 20 buses fail the safety inspection. Let us…

Q: 1. A Pew Poll taken in 2010 surveyed 830 randomly selected people ages 18 – 29, and found that 166…

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Q: A researcher gathered from historical papers that the proportion for the success of an event was…

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Q: To determine the proportion of Americans who support affirmative action policies for minorities and…

A: The objective is to define the sample size for estimating the true proportion of Americans, who…

Q: A television sports commentator wants to estimate the proportion of citizens who​ "follow…

A: Given Data: Margin of Error=0.22 p=0.54   z-value=1.96

Q: In politics, marketing, etc. we often want to estimate a percentage or proportion p. One calculation…

A: Here the proportion of people liking dark chocolate is 37% with a margin of error 2.5%  So, the…

Q: We'd like to know the percentage of people living in California who owns a cell phone. How many…

A: It is given that margin of error (E) is 0.04 and the confidence level is 0.95.

Q: In the Star and Tribune newspaper, there is an article entitled "1 in 8 school buses fail tests."…

A: Given information: 90% confidence interval estimate for 0.152<p<0.208.

Q: 1950, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you on…

A: In 1950, Total adults n1=1100                       x1=374 In recent year…

Q: etermine what percent of pre-kindergarten children ages 3 to 5 whose mother had a bachelor's degree…

A: When we don't have any prior information about the population proportion, we generally take it as…

Q: Compute the sample proportion of U.S. adults that avoid drinking regular soda or pop. Round your…

A: here given , A 2018 Gallup survey asked respondents to consider several foods and beverages and to…

Q: A survey is conducted to determine the opinions of people on global warming. In a random sample of…

A: Given: n=150 global warming is a serious world problem(x)=408

Q: An online shop owner believes that 85% of her customers will want to go into a real store. She…

A: It is given that the an online shop owner believes that 85% of her customers will want to go into a…

Q: question in a poll taken in 2007 asked, "Do you think the penalties for underage drinking should be…

A: Given data, n=500 p=61% =0.61 Construct a 95% confidence interval?

Q: If the population proportion is 0.7 . A researcher wants the margin of error to be 0.20 and the…

A: Given  pcap=0.7, Zcritical=1.96 at alpha=0.05 MOE=0.20

Q: A recent poll of 1500 new home buyers found that 60% hired a moving company to help them move to…

A: Here n = 1500. Let P = Sample proportion = 0.6 or 60% Now since n is very large and n*P > 10,…

Q: sixty-five percent of those surveyed reply No to a certain question. If 234 reply No, what is the…

A: Given 65℅ of S replied  No to a question, This number is given to be 234 so