If subject 101is 71 years old. Divide the age by 10 and put a % on it, that is your desire margin of error in percentage points. Find the sample size required to develop an 86% confidence interval on a population proportion that will result in that margin error.

Q: If n=380 and p^(p-hat) =0.12, find the margin of error at a 95% confidence level Give your answer…

A: Given data: n = 380  p^(p-hat) =0.12, To find : The margin of error at a 95% confidence level

Q: If n=400 and X=100​, construct a 95​% confidence interval estimate for the population proportion.

A: Given,x=100n=400sample…

Q: If we want a 95% confidence interval for proportion within 3% how large a sample do we need?

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.

Q: If n=360 and P (p-hat) =0.48, find the margin of error at a 95% confidence level Give your answer to…

A: Given: n=360  , p^=0.48  we have to find margin of error at 95% confidence level

Q: If n=510 and ˆpp^ (p-hat) =0.19, find the margin of error at a 90% confidence level Give your…

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Q: If n=520 and p (p-hat) =0.47, find the margin of error at a 90% confidence level Give your answer to…

A: Given data,n=520p=0.47z-value at 90% confidence is Zc=1.645Margin of error(E)=?

Q: Other than the typical 90%, 95% and 99% confidence intervals, we may want to work with any other…

A: Note: This critical value calculated from standard normal distribution table at level of…

Q: If n = 370 and p=0.31p, construct a 90% confidence interval. This should be rounded to three decimal…

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Q: Suppose you had a sample size of 41 and the population distribution was normal. Which approach would…

A: Here we use basic criteria for getting best interval estimation of mean

Q: If n=230 and ˆp^ (p-hat) =0.31, find the margin of error at a 90% confidence level Give your answer…

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Q: If n=320 and (p-hat) =0.94, find the margin of error at a 95% confidence level Give your answer to…

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Q: If n=20, (x-bar)=44, and s=9, find the margin of error at a 98% confidence level Give your answer to…

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Q: If n=360 and p (p-hat) =0.29, find the margin of error at a 95% confidence level Give your answer to…

A: Given that : Sample size (n) = 360 P(hat) = 0.29 Confidence interval is 95%  We use here, Margin of…

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: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p. Give…

A: Given that, n = 530 x = 424 Point estimate = sample proportion =  = x / n = 424 /530=0.8 1 -  =…

Q: If n=140 and ˆpp^ (p-hat) =0.15, find the margin of error at a 90% confidence level Give your…

A: Given, n = 140 p^ = 0.15

Q: If n=380 and p (p-hat) =0.52, find the margin of error at a 95% confidence level Give your answer to…

A: Dear student, If you find this solution helpful please upvote ? it. The solution is given below:

Q: If a researcher uses 90% confidence level, what is the level of significance?

A: We have given that,  Confidence level  (C.I) = 90% = 0.90 Then,  We will find the level of…

Q: If n=19, (x-bar)=39, and s=8, find the margin of error at a 80% confidence level Give your answer…

A: We have given that,  Sample size (n) = 19 and sample mean (X-bar) = 39 and sample standard deviation…

Q: If we wanted to reduce the margin of error to 3.5 per cent, how big would our sample ze have to be…

A: We have given that,  Margin of error (E) = 3.5% = 0.035 and confidence level = 95% = 0.95 Then,  We…

Q: If n=130 and ôp (p-hat) =0.93, find the margin of error at a 99% confidence level Give your answer…

A: Here, the margin of error for proportion p^ is to be calculated. The formula is given by, z*p^1-p^n,…

Q: If n=120 and p (p-hat) =0.31, find the margin of error at a 99% confidence level Give your answer to…

A: Sample size, n = 120 p^ = 0.31 99% confidence level

Q: If n=230 and ˆpp^ (p-hat) =0.8, find the margin of error at a 90% confidence level Give your answer…

A: From the given information,   Sample size = 230 Sample proportion = 0.8 The objective is to find the…

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

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Q: Suppose you survey a random sample from a large population. How large must your sample be if you…

A: According to the provided data, the margin of error is 0.06 and the confidence level is 0.98. Since,…

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: If n=110 and ˆpp^ (p-hat) =0.71, find the margin of error at a 90% confidence level Give your…

A: Sample size n = 110 Sample proportion p^ = 0.71 Confidence level = 90% Formula Used: Margin of error…

Q: If n=570 and ˆpp^ (p-hat) =0.51, find the margin of error at a 95% confidence level Give your…

A: n = 570 p^=0.51 95% confidence level

Q: If n=510 and p (p-hat) =0.47, find the margin of error at a 90% confidence level Give your answer as…

A:

Q: If n = 520 and X = 416, construct a 99% confidence interval for the population proportion, p. Give…

A:

Q: If n=190 and ˆpp^ (p-hat) =0.29, find the margin of error at a 90% confidence level Give your…

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: Suppose we would like to estimate the proportion of all NBA fans who thought Aaron Gordon won the…

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Q: If n=440 andp (p-hat) =0.57, find the margin of error at a 99% confidence level Give your answer to…

A:

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 about 75% of the students of a certain university are expected to use a laptop for online…

A: Given,sample proportion (p^)=0.75margin of error(E)=0.05α=1-0.99=0.01α2=0.005Z0.005=2.5758…

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: If n = 520 and p^ = 0.85, construct a 99% confidence interval

A: Here, n = 520 and p hat = 0.85.

Q: It is known that the population range equals 60. With a 95% confidence level, the sample size that…

A:

Q: If n=360 and p (p-hat) =0.48, find the margin of error at a 95% confidence level Give your answer to…

A: Given data,n=360p=0.48Z value at 95% CI is Zc=1.96Margin of error E=?

Q: Suppose you are designing a survey of firework plans among Kansas residents. You would like for the…

A: Here we need to find the required sample size with a 95% confidence level to estimate the number of…

Q: If no previous study has been done, give the sample size we should use to find p with a margin of…

A: From the provided information, Margin of error (E) = 0.02 The confidence level = 90% The sample…

Q: If n=210 and p (p-hat) =0.32, find the margin of error at a 99% confidence level Give your answer to…

A: Given data,n=210p=0.32z-value at 99% confidence is Zc=2.576E=?

Q: If n=380 and p (p-hat) =0.49, find the margin of error at a 99% confidence level Give your answer to…

A: Answer - If n = 380,   P^ = 0.49                  99% confidence interval         ⇒ α =1 - 0.99 =…

Q: If n=15, (x-bar)=37, and s=8, find the margin of error at a 80% confidence level Give your answer to…

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Q: If n=480 and p^ (p-hat) =0.45, find the margin of error at a 90% confidence level Give your answer…

A:

Q: If n=190 and ˆpp^ (p-hat) =0.17, find the margin of error at a 99% confidence level Give your…

A: Given: n = 190,  p^  = 0.17  It is asked to find the margin of error at the 99% confidence level.…

Q: If n=410 and p (p-hat) =0.47, find the margin of error at a 90% confidence level Give your answer to…

A: The random variable X follows binomial distribution. The sample size is 410. The sample proportion…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.