If n=400 and ˆpp^ (p-hat) =0.36, find the margin of error at a 90% confidence level

Q: If n=130 and ˆpp^ (p-hat) =0.29, find the margin of error at a 90% confidence level Give your…

A: Given that,  n = 130,p^=0.29 The level of significance is,

Q: and ˆpp^ (p-hat) =0.52, find the margin of error at a 99% confidence level Give your answer to…

A: The margin of error can be calculated as: MOE=z×p^(1-p^)n

Q: Find the indicated confidence interval. Assume the standard error comes from a bootstrap…

A: Confidence Level = 95 Significance Level = α = (100-95)% = 0.05 Critical value = z* = 1.96     […

Q: In a survey of 98 publicly-traded companies, the average price-earnings ration was 16.8 with a…

A: 95% CI for μ

Q: If n=500 and p^ (p-hat) =0.13, find the margin of error at a 90% confidence level Give your answer…

A: Find z-critical value: For the two-tail test, Area on each tail. Area to the left of the normal…

Q: What cutoff value bounds the lowest 30% when using a normal model with a mean of 40 and a standard…

A: Given normal model with mean 40 and standard deviation 4.With reference to Standard normal table the…

Q: If n=390 and ˆpp^ (p-hat) = 0.88, construct a 99% confidence interval. Give your answers to three…

A: We have to construct the 99% confidence interval.

Q: If n=550 and ˆpp^ (p-hat) =0.25, find the margin of error at a 99% confidence level Give your…

A: The margin of error = The margin of error (ME) expresses to the maximum expected differences between…

Q: Find the indicated confidence interval. Assume the standard error comes from a bootstrap…

A: Given data

Q: If n=360 and ˆpp^ (p-hat) = 0.6, construct a 90% Confidence Interval. In order to use technology,…

A: Since the question emphasize to use technology. I will use excel to solve this question. Note: Press…

Q: If n=220 and p' (p-prime) = 0.59, construct a 99% confidence interval.

A: n=220 P(prime) =0.59

Q: Use the given confidence interval limits to find the point estimate ^p and the margin of error E.…

A: The sample proportion (p) p = 0.65 + 0.71 / 2 p = 0.68

Q: A confidence interval was constructed to estimate the proportion of people who suffer from seasonal…

A: Given,confidence interval (C.I)=0.471<p<0.533

Q: If n=170 and p' (p-prime) = 0.87, construct a 95% confidence interval. Give your answers to three…

A: n=170, p'=0.87

Q: If n=490 and ˆpp^ (p-hat) =0.4, find the margin of error at a 90% confidence level Give your answer…

A: Given that, n = 490 p^=0.4 90% confidence level

Q: If n=120 and p^ (p-hat) =0.84, find the margin of error at a 95% confidence level Give your answer…

A: Find z-critical value:…

Q: If n=450 and ˆpp^ (p-hat) =0.48, find the margin of error at a 99% confidence level Give your…

A: Given n=450 and p^=0.48, level of significance ɑ=0.01

Q: find the point estimate ?̂ p^ and the margin of error ?.E.

A:

Q: If n=25, ^-x=49, and s=5, construct a confidence interval at a 98% confidence level. Assume the data…

A:

Q: If n = 560 and p^ (p-hat) = 0.45, construct a 95% confidence interval.

A: Given,n=560p^=0.45confidence level 95%

Q: the distribution of height among 100 newborn girls has a mean of 40 cm and standard deviation of 2.5…

A: GivenMean(μ)=40standard deviation(σ)=2.5

Q: If n = 522, P - hat = 0.68, Find the margin of error at 95% confidence interval

A: From the provided information, n = 522 p̂ = 0.68 Confidence level = 95%

Q: Find the indicated confidence interval. Assume the standard error comes from a bootstrap…

A: Here we need to construct a 95% confidence interval for the population proportion. Given sample…

Q: If n = 500 and ˆpp^ (p-hat) = 0.65, construct a 99% confidence interval. Give your answers to three…

A: Given,sample size(n)=500sample proportion(p^)=0.65α=1-0.99=0.01α2=0.005Z0.005=2.58

Q: If n=200 and ˆpp^ (p-hat) =0.39, find the margin of error at a 99% confidence level

A: Find z-critical value:…

Q: In a survey, a random sample of teenagers were asked whether they have a sibling. The resulting…

A: Given confidence interval is (0.61 , 0.91)Upper limit=0.91Lower limit=0.61

Q: If n=530 and ˆpp^ (p-hat) =0.51, find the margin of error at a 90% confidence level Give your…

A:

Q: If n=270 and ˆpp^ (p-hat) =0.59, find the margin of error at a 99% confidence level Give your…

A: Given  n=270, pcap=0.59, alpha=0.01 Zcritical=2.578 at alpha=0.01 We want to find margin of error

Q: = 140 and ˆpp^ (p-hat) = 0.7, construct a 90% confidence interval. Give your

A: The value of z at a 90% confidence level is 1.645, which can be obtained by using the standard…

Q: A clinical trial is run to investigate the effectiveness of an experimental drug in reducing high…

A: The null and the alternative hypotheses are;Null hypothesis: There is no difference in the…

Q: =600 and ˆpp^ (p-hat) = 0.7, construct a 98% Confidence Interval. In order to use technology, you…

A: given data,n=600p^=0.70CI=0.98α=1-0.98=0.02we have to find out the confidence interval for the given…

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

A:

Q: If n=490 and ˆpp^ (p-hat) =0.46, find the margin of error at a 99% confidence level.Give your answer…

A:

Q: If n = 500 and ˆpp^ (p-hat) = 0.2, construct a 99% confidence interval.

A:

Q: If n=530 and ˆpp^ (p-hat) =0.75, find the margin of error at a 90% confidence level Give your…

A: Givenn=530p^=0.75confidence level=90%

Q: If n=170 and ˆpp^ (p-hat) =0.23, find the margin of error at a 99% confidence level Give your…

A: Find z-critical value:…

Q: If n=490 and ˆpp^ (p-hat) =0.54, find the margin of error at a 90% confidence level Give your…

A:

Q: If n=450 and p' (p-prime) = 0.32, construct a 99% confidence interval. Give your answers to three…

A:

Q: A confidence interval was constructed to estimate the proportion of smokers in the U.S.  Use the…

A:

Q: In a survey of 94 publicly-traded companies, the average price-earnings ration was 15.5 with a…

A: Given : n= 94.0 , x̄= 15.5 s= 9.0 At 95.0 % confidence level , z score= 1.96

Q: If n=350 and ˆpp^ (p-hat) =0.64, find the margin of error at a 90% confidence level Give your…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: Suppose you estimate the following results: hourly_wage=5.5 +0.50edu + 0.10exper+ 0.10(edu*exper)…

A: Given: The regression equation is as follows hourly_wage=5.5+0.5edu+0.10exper+0.10×edu*exper edu =16…

Q: Find the indicated confidence interval. Assume the standard error comes from a bootstrap…

A: Solution: From the given information,

Q: If n=200 and ˆpp^ (p-hat) =0.16, find the margin of error at a 95% confidence level Give your…

A: Given Information

Q: Use the given confidence interval to find the point estimate p^p^. 0.54<p<0.68

A: Given,0.54&lt;p&lt;0.68lower limit=0.54upper limit=0.68

Q: Express the confidence interval (0.071,0.133) in the form of ^p−E< p < ^p+E. < p <

A: The point estimate of the sample proportion is obtained below: From the given information, the…