plan for the construction of a new community. A political study took a sample of 1800 voters in the town and found that 74% of the residents favored construction. Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is more than 71%. Testing at 0.01 level of significance, is there enough evidence to support the strategist's claim? Round p-value to four decimal places. p-value =  Conclusion (write R for "reject H0", and F for "fail to reject H0"):

Q: Claim: Most adults would erase all of their personal information online if they could. A software…

A: From the provided information, Sample size (n) = 653 Sample proportion (p̂) = 0.59 Level of…

Q: A random sample by the National Institutes of Health included 2253 men to determine the proportion…

A: Given x=986 n=2253

Q: given as + Choose th

A: The margin of error is the amount of random sampling error in the results of a survey. The larger…

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

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A: Provided information is, According to polling organization, 23% of adults in a large region consider…

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Q: A software company is interested in improving customer satisfaction rate from the 60% currently…

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Q: College officials want to estimate the percentage of students who carry a gun, knife, or other such…

A: I have provided the solution below please do refer it and let me know if you have any queries…

Q: company in this town conducted an opinion poll to examine the party's support just before the 2014…

A: The sample proportion,i.e.,the proportion of voters who intend to vote for Pírata is calculated as,…

Q: Compute the test statistic. Round to two decimal places.

A: Sample size, n=2027 No. of adults who drank diet soda, x=485

Q: The proportion of Americans who have frequent migraines is 15.2% according to the CDC. An…

A: From the provided information, Sample size (n) = 133 From which 16 report experiencing migraines…

Q: that the

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Q: The table below summarizes the  results of a survey in which randomly selected people were asked how…

A: It is needed to test, whether the feelings on medical marijuana and gender are independent or not.

Q: The mayor of a town has proposed a plan for the construction of a new community. A political study…

A:

Q: using a simple random sample of 500 households: 240 of the sample households had internet access.…

A: Sample size(n)=500Number of households had internet access (X)=240We have to find the the percentage…

Q: The mayor town has proposed a plan for the and the annexation of a new bridge.  A political study…

A: The provided information are:

Q: A polling agency wants to determine the percentage of voters in favor of extending tax cuts. They…

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Q: The mayor of a town has proposed a plan for the construction of a new community. A political study…

A:

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 49% of the…

A: Given:  Hypothesized population proportion  po= 49%=0.49 Sample size n=100  Sample proportion p=…

Q: The Statistics Games are played by a large number of students across the county. Last year, 32% of…

A:

Q: The averrage gasoline prrice at Chevvron was $3.12 per gallon lastt month. Due to the recent…

A: Given,  Sample size = n = 36 Sample mean = x¯ = 3.06 Population standard deviation = σ = 0.12 The…

Q: In a CBS poll of 1289 adults, nationwide, asking whether they favor or oppose teacher and school…

A:

Q: A polling agency wants to determine the percentage of voters in favour of extending tax cuts. they…

A: Given information- Margin of error, E = 2% = 0.02 Confidence level, c = 95% Since nothing is known…

Q: The mayor of a town has proposed a plan for the annexation of an adjoining community. A political…

A: In this context, a researcher claimed that the percentage of resident who favour annexation is more…

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

A:

Q: 4. Claim: Fewer than 90% of adults have a cell phone. In a reputable poll of 1059 adults, 84% said…

A:

Q: A Polling agency wants to determine the percentage of waters in favour of extending tax cuts. they…

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Q: A large mall conducted a survey to estimate how much money people planned to spend during the…

A: Given Information: The survey includes 5 questions asked of randomly selected shoppers between 10 AM…

Q: ou conduct a cross-sectional study of  800 patients to test a new screening tool for diabetes. In…

A: Given information: The number of patients who had false negative and false positive screens is 42,…

Q: The averrage gasoline prrice at Chevvron was $3.12 per gallon lastt month. Due to the recent…

A: Given: μ=3.12n=36x¯=3.06σ=0.12α=5%=0.05

Q: A study showed that 62% of supermarket shoppers believe supermarket brands to be as good as national…

A: claim is that the percentage of supermarket shoppers who believe that the supermarket ketchup was as…

Q: Claim: More than 53% adults would erase all of their personal information online if they could. A…

A:

Q: You are testing the daim that the proportion of men who own cats is larger than the proportion of…

A:

Q: The mayor of a town has proposed a plan for the construction of an adjoining community. A political…

A: From the given information, the claim of the problem is the percentage of residents who favour…

Q: The mayoral challenger claims that less than 30% of residents over the age of 25 have bachelor’s…

A:

Q: A survey of 1195 CEOS finds that 717 believe the economy will improve next year. We are trying to…

A: We have given that,  Population proportion (p)= 66% = 0.66 and favorable cases (X) = 717 , sample…

Q: Can you conclude that the proportion of boys who are overweight differs from the proportion of girls…

A: Here use  proportion test for 2 sample

Q: Twenty years ago, 52% of parents of children in high school felt it was a serious problem that high…

A: The value of p0 is 0.52 and the sample size n is 800.

Q: tor & Gamble claims that at least half the bars of Ivory soap they produce are 99.44% pure (or more…

A: The null and alternative hypotheses are: Ho: p ≥ 0.50Ho:p≥0.50 Ha: p < 0.50Ha:p<0.50 This…

Q: A marketing manager fora cell phone company claims that the percentage of children aged 8-12 who…

A: Given that,  P= 61% = 0.61 sample size, n= 826 We know that p=X/n p=545/826 = 0.66 Then…

Q: A cybersecurity team would like to detect the malwares in the software. They detect more than 42.5%…

A:

Q: Twenty years ago, 53% of parents of children in high school felt it was a serious problem that high…

A:

Q: Aččórding tó à pólling órgánizátión, 22% óf ådults in á lárgé régión čónsidér thémšélvėš tó bé…

A: Given that, p= 22% = 0.22 And sample size, n= 200

Q: The percent of the population that is left-handed has historically been 10%. In a random sample of…

A: Solution: State the hypotheses Null hypothesis: That is, the per cent of the population that is…

Q: A survey investigates whether the proportion of 8% for employees who commute by car to work is…

A: Type II error (β) is the probability of fail to reject the null hypothesis when alternative…