A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for governor. Find the margin of error for a 98% confidence interval for the proportion of all New York State union members who favor the Republican candidate. Select one: a. 0.056 O b.o.506 C. 0.605 d. 0.065

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A: Ans - Given   P  =  94%    = 0.94,     The sample size  n = 460 people          95%  confidence…

Q: Construct a 98% confidence interval for the difference between the population proportions.

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Q: A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A: The value of x is 112 and n is 300.

Q: In a survey of 3700 TV viewers, 834 said they watch network news programs. Find the margin of error…

A: Solution

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A: Given Information: Country Sample size (n) Sample proportion (p^) A 1018 0.37 B 1015 0.19 C…

Q: The figure to the right shows the results of a survey in which 1015 adults from Country​ A, 1018…

A: The 99% confidence interval for population proportion is For 99% confidence, zc = 2.58

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A: We have given that,  Favorable cases (X) = 43 and sample size (N) = 156  Then,  We will find the 99%…

Q: how many people should you sample? 4 80 125 382 383

A: Given : Margin of error: ME = 0.05

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A:

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A: According to the given information, we have In a random sample of 850 consumers. 385 reported that…

Q: If n = 200 and p^ = 0.64, find the margin of error at a 95% confidence level.

A:

Q: If n=160 and ˆp (p-hat) =0.48, find the margin of error at a 99% confidence level

A: Given Data: p^=0.48n=160   We know that, p^-pp^(1-p^)n~ Normal(0,1)

Q: A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A:

Q: Gallup is a company that carries out daily opinion polls on a variety of topics. In a recent daily…

A: The confidence interval can be found by using the formula p±zp(1-p)n

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A: Given that  Sample size n =250 Favorable cases x =145 Sample proportion p^=x/n  =145/250 =0.58

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Q: If n=320 and ˆpp^ (p-hat) =0.26, find the margin of error at a 95% confidence level

A:

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Q: A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A: Given Sample size=300 X=112 At 98% Z is 2.33

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Q: Determine the margin of error for the confidence interval for the proportion: 0.575 <p<0.722

A:

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Q: f n=300 and ˆpp^ (p-hat) =0.18, find the margin of error at a 99% confidence level Give your answer…

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Q: The figure to the right shows the results of a survey in which 996 adults from Country A, 1006…

A:

Q: The figure to the right shows the results of a survey in which 1005 adults from Country​ A, 1023…

A: For the given data Construct a 99​% confidence interval for the population proportion of adults s…

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Q: A survey of 300 union members in New York State reveals that 112 favor the Republican candidate for…

A:

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A: Given data n=1026 x=520 confidence interval=95%

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Q: After surveying 625 potential voters polled, you find out that 325 support candidate X and 300…

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Q: 2. Estimate the proportion of WCU students who have type B blood using 95% confidence interval.…

A: Given , n=100x=24p^=xn=24100=0.241-p^=1-0.24=0.76α=1-0.95=0.05α2=0.025Z0.025=1.96

Q: The figure to the right shows the results of a survey in which 1003 adults from Country A, 1024…

A: Given information For country A p-hat = 0.35 n = 1003

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Q: In a survey of 900 adults, 240 said that they watched the World Cup final on television. Using these…

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Q: If n=360 and ˆp(p-hat) =0.69, find the margin of error at a 95% confidence level

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.