Out of 300 people sampled, 171 had kids. Based on this, construct a 95% confidence interval for the true population proportion of people with kids.

Q: In a survey of 2316 ​adults, 701 say they believe in UFOs.   Construct a 90 % confidence interval…

A: The objective of this question is to construct a 90% confidence interval for the population…

Q: Out of 300 people sampled, 156 had kids. Based on this construct a 90% confidence interval for the…

A: X = 156 N = 300

Q: In a survey of 2279 ​adults, 729 say they believe in UFOs. Construct a 90% confidence…

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Q: Of 125 adults selected randomly from one town, 28 of them smoke. Construct a 99% confidence interval…

A: It is given that out of 125 adults in one town, 28 of them smoke. That is the value of n is 125 and…

Q: In a survey of 2274 adults, 749 say they believe in UFOs. Construct a 99% confidence interval for…

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Q: In a survey of 2344 ​adults, 715 say they believe in

A: Given that there are 2344 adults and 715 say they believe in UFOs. Consider the sample proportion,…

Q: Out of 400 people sampled, 32 had kids. Based on this, construct a 95% confidence interval for the…

A: Solution: Let X be the number of people had kids and n be the sample number of people. From the…

Q: Out of 200 people sampled, 42 had kids. Based on this, construct a 95% confidence interval for the…

A: For 95% confidence intervalα=1-CI=1-0.95=0.05So, zα2=z0.052=z0.025=1.96

Q: A sample of 500 nursing applicants included 80 men.  Determine the 95% confidence interval for the…

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Q: In a survey of 2313 adults, 714 say they believe in UFOs.   Construct a 90% confidence interval for…

A: Given, In a survey of 2313 adults, 714 say they believe in UFOs. n=2313 x=714 Sample proportion:…

Q: In a random sample of 500 adults, 410 described themselves as vegetarians. Construct a 95%…

A: We have been provided with the following information about the adults who describe themselves as…

Q: In a survey of 4061 ​adults, 738 say they have seen a ghost. Construct a​ 99% confidence interval…

A: In this question, it has been given that 738 people out of 4061 people have seen the ghost, we have…

Q: In a sample of 300 people, 48 identified as dog owners. Construct a 99% confidence interval for the…

A: Obtain the 99% confidence interval for the true proportion of people who are dog owners. The 99%…

Q: In a survey of 2298 ​adults, 709 say they believe in UFOs. Construct a 95% confidence interval for…

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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 the 1,000 people, 550 people used company s's smartphone and 460 people used company a's…

A: Given: n= 1000 ,x= 550.0 At 95.0 % confidence level , z score= 1.96 Need to find confidence…

Q: In a random sample of 600 adults, 270 described themselves as vegetarians. Construct a 99%…

A: In a random sample of 600 adults, 270 described themselves as vegetarians.

Q: A survey showed 980 of 1500 adult respondents believe in global warming. Construct a 95% confidence…

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

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Q: Of 130 adults selected randomly from one town, 30 of them smoke. Construct a 90% confidence interval…

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Q: In a survey of 2291 ​adults, 708 say they believe in UFOs.   Construct a 90% confidence interval for…

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Q: A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: Out of 400 people sampled, 276 had kids. Based on this, construct a 90% confidence interval for the…

A: For 90% confidence intervalα=1-CI=1-0.90=0.10So, zα2=z0.102=z0.05=1.645

Q: In a random sample of 200 people, 154 said that they watched educational television. Find the 90%…

A: It is given that in a random sample of 200 people, 154 said that they watched educational…

Q: Out of 600 people sampled, 402 had kids. Based on this, construct a 95% confidence interval for the…

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Q: f a Random Sample of 450 adults includes 155 who identify as happy, compute an 80% confidence…

A: Given data,n=450x=155sample proportion p=xn=155450=0.34z-value at 80% confidence is Zc=1.282

Q: Out of 100 people sampled, 40 had kids. Based on this, construct a 99% confidence interval for the…

A: From given data we have : x=40 n=100 thus, p^=xn  =40100  =0.4

Q: Of 130 adults selected randomly from one town, 25 of them smoke. Construct a 99% confidence interval…

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Q: Out of 600 people sampled, 42 had kids. Based on this, construct a 99% confidence interval for the…

A: Given;n = 600x = 42confidence level 99%

Q: In a survey of 2273 ​adults, 728 say they believe in UFOs.   Construct a 99% confidence interval for…

A: Given Information: Sample size (n) = 2273 Out of which X = 728 adults say they believe in UFOs. To…

Q: In a sample of 190 adults, 133 had children. Construct a 90% confidence interval for the true…

A: Given:n = 190x = 133Confidence level = 90%