95% confidence interval for the proportion of adults in the United States who say that their favorite sport to watch is football is_

Q: Of 125 adults selected randomly from one town, 28 of them smoke. Construct a 99% confidence interval…

A: It is given that out of 125 adults in one town, 28 of them smoke. That is the value of n is 125 and…

Q: As part of the Pew Internet and American Life Project,, researchers conducted two surveys in late…

A: Given: n1= 800 ,x1= 584 n2= 2253 ,x2= 1059 At 95.0 % confidence level , z score= 1.96 Need to find…

Q: A survey of 120 female freshmen showed that 9 did not wish to work after marriage.  Find the 99%…

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Q: In a study of color perception, 278 men are tested, and 62 are found to have red/green color…

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Q: confidence interval for the proportion of unemployed adults who have been unemployed for more than…

A: Here given  In a survey of 532 unemployed adults, 225 said that they had been unemployed for more…

Q: A U.S. Travel Data Center survey of 500 adults found that 195 said they would take more vacations…

A: Given: n= 500 ,x= 195.0 At 95.0 % confidence level , z score= 1.96 Need to find confidence interval…

Q: An accounting firm has 1200 clients. From a random sample of 120 clients, 110 indicated very high…

A: Given : An accounting firm has 1200 clients So,  Population size (N) = 1200 Sample size (n) = 120…

Q: study done by researchers at a university concluded that 50​% of all student athletes in this…

A: Provided information is, study done by researchers at a university concluded that 50​% of all…

Q: A study done by researchers at a university concluded that 90​% of all student athletes in a country…

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Q: The Centers for Disease Control and Prevention reported a survey of randomly selected Americans age…

A: Confidence interval for Proportions : The following is the formula for confidence interval of the…

Q: According to a study of political​ prisoners, the mean duration of imprisonment for 31 prisoners…

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Q: In a random sample of 500 adults, 410 described themselves as vegetarians. Construct a 95%…

A: We have been provided with the following information about the adults who describe themselves as…

Q: In a random sample of 250 high school students, it was found that 85.2% (213) of them later…

A: Solution: From the given information, the 95% confidence interval is (–0.065, 0.065) and the 98%…

Q: A marketing survey involves product recognition in New York and California. Of 558 New Yorkers…

A: The sample proportions are computed as follows:

Q: A recent study showed that among 725 randomly selected subjects who completed 4 years of college,…

A: We have given that,  Favorable cases (X) = 139 and Sample size    (n) = 725 Then,  We will find 95%…

Q: A recent study asked U.S. adults to name 10 historic events that occurred in their lifetime that…

A: We have given that,  Sample proportion (p̂) = 76% = 0.76 and sample size (n) = 2025 Then,  We will…

Q: college performs a survey of 424 randomly chosen graduates to estimate the proportion of alumni who…

A: We have given that  Sample size n =424 Favorable cases x =361 Sample proportion p^=x/n  =361/424…

Q: According to a survey of 100 men and 900 women, 21% of men and 28% of women read for fun almost…

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Q: In a recent research poll, 83.4% of 500 randomly selected men in the U. S. knew the name of our…

A: There are two independent samples which are men and women. We have to construct 95% confidence…

Q: A drug manufacturer conducted a study to try to determine if the proportion of elderly patients that…

A: The 95% confidence interval for the difference of proportions (elderly less younger adults) was…

Q: College admissions officer sampled 124 entering freshmen and found that 35 of them scored less than…

A: From the provided information, Sample size (n) = 124 Out of which 35 scored less than 530 on the…

Q: Out of 54 randomly selected patients of a local hospital who were surveyed, 42 reported that they…

A: Given that, The total patients n are 54 and the total patients who were satisfied x are 42.

Q: A new survey found that out of a random sample of 300 high school students throughout the country…

A: From the provided information, Sample size (n) = 300 83% of them still planned on taking the…

Q: A survey found that out of 234 workers, 158 said they were interrupted three or more times an hour…

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Q: A bank randomly selected 249 checking account customers and found that 111 of them also had savings…

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Q: Out of 6,000 people, 4,500 said they spend over 20 hours per week on their phones. Construct a 75%…

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Q: Movie Goers are More Likely to Watch at Home In a random sample of 500 movie goers in January 2013,…

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Q: In a survey of 1016 adults, a polling agency asked, "When you retire, do you think you will have…

A: A sample of 1,016 adults surveyed out of which 531 stated that they were worried about having enough…

Q: In 2018, there were 79,704 defendants in federal criminal cases. Of these, only 1,879 went to trial…

A: From the provided information, Sample size (n) = 1879 320 resulted acquittals that is x = 320…

Q: According to the Government Accountability Office (GAO), women comprise of about 17% of the active…

A: Solution: Let X be the number of women enlisted in the military and n be the sample number of…

Q: A genealogist randomly selected 203 Americans and asked about their heritage. Of those randomly…

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Q: A research poll of 1501 adults showed that 1051 of respondents believe in global warming. Find a 98%…

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Q: A researcher company is interested in determining the true proportion of Americans that work…

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Q: A study was done to determine whether there is a relationship between snoring and the risk of heart…

A: Given n1=1105 X1=87 n2=1379 X2=26

Q: Out of 54 randomly selected patients of a local hospital who were surveyed, 49 reported that they…

A: Giventotal patients randomly selected =n = 54total patients who were satisfied = 49proportion of…

Q: A study was done to determine whether there is a relationship between snoring and the risk of heart…

A: Given: Consider Snoring to be data set 1 and Risk of heart disease to be data set 2.…

Q: In a study of how depression may affect one's ability to survive a heart attack, the researchers…

A: Z TEST

Q: A study done by researchers at a university concluded that 65​% of all student athletes in a country…

A: We have calculate 95% confidence level margin of error for the proportion.

Q: In a simple random sample of chefs in London, 434 were women and 416 were not. Construct a…

A: Here we need to construct a 99% confidence interval for the proportion of women who are chefs in…

Q: random sample of married people were asked "Would you remarry your spouse if you were given the…

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Q: A medical researcher has conducted a study that involved 200 hypertension patients and 180…

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Q: A study was done to determine whether there is a relationship between snoring and the risk of heart…

A: Given data, n1=1105 x1=88p1=x1n1=881105=0.080n2=1379x2=27p2=x2n2=271379=0.020Determine a 95%…

Q: A research company is interested in determining the true proportion of Americans that work remotely.…

A: Obtain the 90% confidence interval for the true proportion of Americans that work remotely. The 90%…

Q: In a Time/CNN survey, 24% of 205 single women said that they “definitely want to get married.” In…

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Q: A survey of 2450 golfers showed that 281 of them are left-handed. Construct a 98% confidence…

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Q: A genetics institute conducted clinical trials of a fertility method designed to increase the…

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Q: on with the new system. Out of the 350 managers surveyed, 280 indicated that they were satisfied. -…

A: The sample proportion is calculated as: p^=xn=280350=0.80 The value of z at 95% confidence level is…

Q: In a Time/CNN survey, 24% of 205 single women said that they “definitely want to get married.” In…

A: