Out of 100 people sampled, 30 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places

Q: Out of 500 people sampled, 380 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of a sample of 600 adults aged 18 to 30, 162 still lived with their parents. Based on this,…

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Q: Out of 200 people sampled, 188 had kids. Based on this, construct a 95% confidence interval for the…

A: Given information- Confidence level, c = 95% Sample proportion is,

Q: In a recent poll, 300 people were asked if they liked dogs, and 54% said they did. Find the Margin…

A: Obtain the margin of error for the poll at the 95% confidence level. The margin of error for the…

Q: Out of 200 people sampled, 62 had kids. Based on this, construct a 95% confidence interval for the…

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Q: Out of 100 people sampled, 84 had kids. Based on this, construct a 95% confidence interval for the…

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

Q: A survey of 700 non-fatal accidents showed that 167 involved uninsured drivers. Construct a 99%…

A: Given data,n=700x=167Point estimate isp=xn=167700=0.2386Construct a 99% confidence interval?

Q: Out of 500 people sampled, 390 had kids. Based on this, construct a 99% confidence interval for the…

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

Q: Out of 600 people sampled, 228 had kids. Based on this, construct a 90% confidence interval for the…

A: The following information is given Sample size n=600 Number of kids x= 228 Proportion p^=228600=0.88…

Q: Out of 400 people sampled, 232 had kids. Based on this, construct a 95% confidence interval for the…

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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 240 sample students surveyed, 187 students are planning to take classes during the…

A: We have given that the sample size n=240 and favourable cases X=187. Sample proportion p^ = X/n.

Q: Out of 600 people sampled, 486 had kids. Based on this, construct a 95% confidence interval for the…

A: It is given that  Favourable cases, X = 486 Sample size, n = 600

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 500 people sampled, 190 had kids. Based on this, construct a 90% confidence interval for the…

A: Given : Sample Size, n = 500 Number of successes, x = 190 confidence level,c=0.9

Q: In a recent poll, 410 people were asked if they liked dogs, and 32% said they did. Find the Margin…

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Q: Out of 600 people sampled, 480 had kids. Based on this, construct a 95% confidence interval for the…

A: given that , out of 600 people sampled, 480 had kids.

Q: Out of 600 people sampled, 462 had kids. Based on this, construct a 95% confidence interval for the…

A: We have given thatn = 600x = 462p̂ = x/n = 462/600 = 0.770Significance level (α) = 1 - 0.95 =…

Q: x=111, n=194, Confidence level = 99%

A: The sample proportion of p is, p^=xn=111194=0.5722 Computation of critical value:…

Q: Out of 400 people sampled, 164 had kids. Based on this, construct a 95% confidence interval for the…

A: Given:Sample size = n = 400 peoplePeople having kids = x = 164Confidence level = 0.95So, α = 1 –…

Q: Out of 500 people sampled, 455 had kids. Based on this, construct a 90 % confidence interval for the…

A: The formula for the confidence interval for the proportion is,

Q: Out of 300 people sampled, 207 had kids. Based on this, construct a 90% confidence interval for the…

A: Givensample size(n)=300x=207sample proportion(p^)=xn=207300=0.69confidence level=90%

Q: Translate the statement into a confidence interval. Approximate the level of confidence. In a survey…

A: The sample size is 1072, 67% say they are willing to get a second or part-time job to pay for their…

Q: Out of 200 people sampled, 166 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 400 people sampled, 332 had kids. Based on this, construct a 95% confidence interval for the…

A: sample size (n) = 400favorable outcomes (x) = 33295% ci p.

Q: Out of 500 people sampled, 245 had kids. Based on this, construct a 95% confidence interval for the…

A: From the provided information, Out of 500 people sampled, 245 had kids. That is x = 245 and n = 500…

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 400 people sampled, 220 had kids. Based on this, construct a 99% confidence interval for the…

A: The random variable X follows binomial distribution. X ~ B (n, p) The sample size is 400. The number…

Q: Out of 500 people sampled, 95 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 600 people sampled, 228 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 100 people sampled, 14 had kids. Based on this, construct a 95% confidence interval for the…

A: Given data, x=14 n=100 p=x/n= 14/100= 0.14   The z value at 95% confidence is Z=1.96

Q: Out of 100 people sampled, 47 had kids. Based on this, construct a 95% confidence interval for the…

A: Let p is defined as the population proportion of people with kids. A sample of 100 people considered…

Q: In a recent poll, 190 people were asked if they liked dogs, and 81% said they did. Find the Margin…

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Q: Out of 600 people sampled, 180 had kids. Based on this, construct a 95% confidence interval for the…

A: The sample of 600 people is considered out of which 180 have a kid n=600x=312The 95% confidence…

Q: Out of 200 people sampled, 112 had kids. Based on this, construct a 95% confidence interval for the…

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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: Out of 300 people sampled, 135 received flu vaccinations this year. Based on this, construct a 95%…

A: According to the given information, we haveTotal number of people sampled = 300135 received flu…

Q: Manual Transmission Automobiles In a recent year, 6% of cars sold had a manual transmission. A…

A: 0.161<P<0.306

Q: Out of 100 people sampled, 48 had kids. Based on this, construct a 90% confidence interval for the…

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Q: Out of 600 people sampled,  510 had kids. Based on this, construct a 90% confidence interval for the…

A: It is given that Out of 600 people sampled,  510 had kids.

Q: Out of 100 people sampled, 68 had kids. Based on this, construct a 95% confidence interval for the…

A: It is given that:

Q: Out of 200 people sampled, 50 had kids. Based on this, construct a 90% confidence interval for the…

A: Given that, Total number of people sampled = 200 Number of people had kids = 50 Confidence level =…

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.