It is desired to draw a sample at 95% confidence level and 5% significance level from a population of 10,000 people. Find the sample size to be drawn.

Q: If the 95% confidence interval for the population mean u is (52.3 , 55.7), then the point estimate…

A: Given data,LL=52.3UL=55.7Point estimate μ=?

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Q: Determine the necessary sample size. 9. What is the approximate sample size required to estimate the…

A: The Z score at a 95% confidence interval from the standard normal table is 1.960. The provided…

Q: 77) Assume that a sample is used to estimate a population proportion p. Find the margin of error E…

A:

Q: 16. In a random sample of 31 professional actors, it was found that 24 were extroverts. Find a 98%…

A: Solution: a. Let X be the number of professional actors are extroverts and n be the sample number of…

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Q: . For a population with o = 16, how large a sample is necessary to have a standard error that is a.…

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Q: MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the…

A: E = Margin of error

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Q: For a repeated measures study, if the null hypothesis is true, then what value should be obtained…

A: According to the provided information, the null hypothesis is true

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Q: a) Find the best point estimate of the population proportion p. (Round to three decimal places as…

A: Given that Sample size n = 1039 Number of people who said yes, X = 511 The critical value of Z at…

Q: You are given the sample mean and the population standard deviation. i) Use this information to…

A: GivenMean(x)=145.00standard deviation(σ)=16.10sample size(n)=40

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

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Q: Determine the sample size for the estimate of µ for the following: a) E=1.67, o = 11.44, b) E=0.55,…

A: a)GivenMargin of error(E)=1.67standard deviation(σ)=11.44Level of confidence(c)=98%

Q: You want to estimate the mean time college students spend watching online videos each day. Assume…

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Q: The level of fatty acids in a margarine is tested. A sample of six packages resulted in the…

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Q: How many women must be randomly selected to estimate the mean weight of women in one age group. We…

A: Introduction: The 100 (1 – α) % confidence interval for the population mean, μ, when the population…

Q: 12) Based on a sample of size 50, a 95% confidence interval for the mean score of all students,…

A: Given that, Lower confidence bound = 62 Upper confidence bound = 70

Q: Suppose a simple random sample of 700 was taken from a large population. The sample had 32%…

A: Note:Hey, since there are multiple sub-parts question posted, we will answer first three sub-parts.…

Q: p1=enter your response here ​(Round to three decimal places as​ needed.)   Determine the sample p

A: Note: In the given question many subparts are given as per the company guidelines first 3 questions…

Q: What sample size should be selected to estimate the proportion of out of state guests with a margin…

A: Margin of error, ME = 0.05 sample proportion, p̂ = 0.45 confidence level, c = 95 % = 0.95…

Q: 11. Determine the sample size with a 90% confidence in estimating the population mean within a…

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Q: 7) The state education commission wants to estimate the proportion of tenth grade students that have…

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Q: Use the sample data and confidence level given below to complete parts​ (a) through​ (d).   A…

A: Given data A research institute poll asked respondents if they felt vulnerable to identify theft…

Q: Given that the sample proportion of Americans who are dissatisfied with the quality of education is…

A: Given information: p=0.53 M.E=0.05Confidence level=95% Use the excel formula, "=NORM.S.INV(0.975)"…

Q: 73) Assume that a sample is used to estimate a population proportion p. Find the margin of error E…

A: The critical value from the standard normal table at 98%  confidence level will be:

Q: The statistics department is interested in estimating the proportion of students who have majored in…

A: Here we need to find the required sample size to estimate the proportion of students who majored…

Q: Construct a 95% confidence interval to estimate the population mean with x = 119 and a=31 for the…

A: From the provided information,Confidence level = 95%

Q: A. The given random number table consists of.    ​odd-numbered digits. (Round to two decimal places…

A: Given that A large collection of one-digit random numbers should have about 50% odd and 50% even…

Q: B) False A senator wishes to estimate the true population proportion p of United States voters who…

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Q: 1: In inferential statistics, we study: A) The methods to make decisions about population based on…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Given the following sample chosen from a population 13,15,22,25,28,30  a) calculate the standard…

A: Given A sample chosen from population 13, 15, 22, 25, 28, 30 a)The mean and standard deviation of…

Q: 3. You wish to estimate, with a 99% confidence, the population proportion (p) of U.S adults who made…

A: Given: ∝ = 0.01 Thus, Z∝/2 = 2.5758     (using normal table) E = 7.5% 0.075 p^=25.1% = 0.251

Q: If the 95% confidence interval for the population mean u is (53.3 , 56.7), then the point estimate…

A: Given data,LL=53.3UL=56.7Point estimate μ=?

Q: Determine the necessary sample size. 9. What is the approximate sample size required to estimate the…

A: The Z score at a 95% confidence interval from the standard normal table is 1.960. The provided…

Q: Suppose the Census Bureau has determined that on average college graduates with 10 years of…

A: It is given that the sample size is 46 and the standard deviation is 5,500.

Q: Based on a sample of size 50, a 95% confidence interval for the mean score of all students, μ, on an…

A: Given that, Lower confidence bound = 62 Upper confidence bound = 70