Out of 400 people sampled, 164 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places

Q: In a sample of 520 adults, 458 had children. Construct a 90% confidence interval for the true…

A: Solution-: Given: We find 90% C.I. for the true population proportion of adults with children

Q: Out of 300 people sampled, 93 had kids. Based on this, construct a 95% confidence interval for the…

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Q: In a sample of 280 adults, 182 had children. Construct a 95% confidence interval for the true…

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Q: In a sample of 250 adults, 175 had children. Construct a 90% confidence interval for the true…

A: We have given that,  Sample size (n) = 250 and favorable cases (X) = 175  Then,  We will find 90%…

Q: Out of 200 people sampled, 168 had kids. Based on this, construct a 90% confidence interval for the…

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Q: In a sample of 190 adults, 120 had children. Construct a 99% confidence interval for the true…

A: The confidence interval is used to measure the interval range within which the true value of the…

Q: In a survey of 1,200 social media users, 56% said it is not okay to be friends with your boss.…

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Q: In a sample of 200 adults, 174 had children. Construct a 90% confidence interval for the true…

A: Given : Sample Size, n = 200 Number of successes, x = 174 confidence level,c=0.9…

Q: Out of 600 people sampled, 78 had children. Based on this, construct a 90% confidence interval for…

A: a. One of the assumption for constructing confidence interval for population proportion is sample…

Q: Out of 100 people sampled, 6 had kids. Based on this, construct a 95% confidence interval for the…

A: The random variable people with kids follow binomial distribution. The sample size is 100. The…

Q: Using the 99% level of confidence, what is the confidence interval for proportion of students…

A: Let X be the random variable such number of students attending home football games. X = 750 N: Total…

Q: Out of 400 people sampled, 244 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 300 people sampled, 99 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 300 people sampled, 273 had kids. Based on this, construct a 99% confidence interval for the…

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Q: Out of 600 people sampled, 312 had kids. Based on this, construct a 95% confidence interval for the…

A: In question,  Given that Out of 600 people sampled, 312 had kids. Then we'll construct the 95%…

Q: Out of 400 people sampled, 312 had kids. Assuming the conditions are met, construct a 95% confidence…

A: Number of people (n) = 400 Number of people with kids (x)= 312 Find z-critical value:…

Q: In a sample of 500 adults, 340 had children. Construct a 99% confidence interval for the true…

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

Q: Out of 500 people sampled, 250 had kids.The best point estimate for p is? The margin of error for a…

A: Given Information: Out of 500 people sampled, 250 had kids. n = 500, x = 250 Point estimate for…

Q: Out of 100 people sampled, 35 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 400 people sampled, 100 had kids. Based on this, construct a 90% confidence interval for the…

A: We have given that , Sample of 400 people.  Favarable cases = 100 kids. We have to find 90%…

Q: In a sample of 270 adults, 173 had children. Construct a 99% confidence interval for the true…

A: The sample size n= 270. The sample proportion is 173/270. The absolute value of Zα/2 is 2.5758 using…

Q: In a sample of 360 adults, 245 had children. Construct a 99% confidence interval for the true…

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Q: In a sample of 290 adults, 261 had children. Construct a 95% confidence interval for the true…

A: Given : Sample Size, n = 290 Number of successes, x = 261

Q: Out of 500 people sampled, 65 had kids. Based on this, construct a 95% confidence interval for the…

A: Obtain the 95% confidence interval for the true population proportion of people with kids. The 95%…

Q: In a sample of 530 adults, 445 had children. Construct a 99% confidence interval for the true…

A: We have given that,  Favorable cases (X) = 445 and sample size (n)=530 Then,  We will find the 99%…

Q: Out of 100 people sampled, 22 had kids. Based on this, construct a 90% confidence interval for the…

A: We have given that,  Sample size (n) = 100 and favorable cases      (X) = 22 Then, We will construct…

Q: Out of 400 people sampled, 200 had kids. Based on this, construct a 99% confidence interval for the…

A: Number of peoples (n) =400 Number of peoples with kids (x) =200 Find z-critical value:…

Q: Out of 200 people sampled, 162 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 300 people sampled, 24 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 300 people sampled, 279 had kids. Based on this, construct a 90% confidence interval for the…

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Q: of 100 people sampled, 50 had kids. The best point estimate for p is. The margin of error for a 90%…

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Q: A Sample of 80 customers, 60 reply they are satisfied with the service they received. Calculate a…

A: Given Data: x=60 n=80 p^=xn=6080=0.75

Q: In a sample of 240 adults, 226 had children. Construct a 90% confidence interval for the true…

A: From the provided information, Sample size (n) = 240 From which 226 had children, so sample…

Q: Out of 600 people sampled, 240 have shopped online. Based on this, construct a 90% confidence…

A: Find z-critical value:…

Q: Out of 100 people sampled, 90 have shopped online. Based on this, construct a 90% confidence…

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Q: Of 102 randomly selected adults, 42 were found to have high blood pressure. A 90% confidence…

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Q: Out of 400 people sampled, 240 had kids. Based on this, construct a 99% confidence interval for the…

A: We have given that  Sample size n = 400 , No. of favourable cases X = 240. Sample proportion p^ =…

Q: Out of 600 people sampled, 198 had kids. Based on this, construct a 90% confidence interval for the…

A: Obtain the 90% confidence interval for the true proportion of people with kids The 90% confidence…

Q: Out of 100 people sampled, 54 had kids. Based on this, construct a 90 % confidence interval for the…

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Q: Out of 400 people sampled, 92 had kids. Based on this, construct a 90% confidence interval for the…

A: Note: Please repost 2nd question as i can answer only 1 question as per my policy. 1) Given…

Q: Find a 95% confidence interval for the true population proportion.19)In a survey of 227 adults, 28%…

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Q: In a survey of 2312 adults, 748 say they believe in UFOS. Construct a 99% confidence interval for…

A: Given that the sample size is n = 2312, And the number of adults who believe in UFOs, X = 748 At 99%…

Q: Out of 100 people sampled, 27 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 100 people sampled, 48 had kids. Based on this, construct a 99% confidence interval for the…

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Q: In a sample of 190 adults, 120 had children. Construct a 99% confidence interval for the true…

A: In question, In sample of 190 adults, 120 had children then we'll find the 99% confidence interval…

Q: Out of 3064 respondants, 919 of them said they have a dog. Using this data, compute a 95% confidence…

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Q: Out of 200 people sampled, 170 had kids. Based on this, construct a 95% confidence interval for the…

A: In statistical inference, there are two types of estimation,  Point estimation and Interval…

Q: Out of 100 people sampled, 26 had kids. Based on this, construct a 95% confidence interval for the…

A: From the given information,Out of 100 people sampled, 26 had kids.So, here n= 100, x=26

Q: In a sample of 300 adults, 198 had children. Construct a 90% confidence interval for the true…

A: Given Data: p^=xn=198300=0.66 n=300     z-value corresponding to 90% CI=1.645

Q: A confidence interval on p is (.356, .418). What are p-hat and the margin of error?

A: Obtain the margin of error. The margin of error is obtained below:   Margin of Error: The margin of…