Out of 100 people sampled, 26 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 four places < p <

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: 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: 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, 344 had kids. Based on this, construct a 99% confidence interval for the…

A: Given that sample size n = 400 Number of peoples with kids, X = 344 The critical value of Z at 99%…

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 300 people sampled, 138 had kids. Based on this, construct a 90% confidence interval for the…

A: Given data, n=300 x=138 p=x/n=138/300 =0.46 z-value at 90% confidence is Zc=1.645

Q: Out of 600 people sampled, 552 had kids. Based on this, construct a 90% confidence interval for the…

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

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 200 people sampled, 96 had kids. Based on this, construct a 90% confidence interval for the…

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

Q: The confidence interval for a population porportion is (0.34, 0.5). What the the sample proportion…

A: Given  The confidence interval for a population proportion (0.34,0.5)  estimate the sample…

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…

A:

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: 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: 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 400 people sampled, 68 had kids. Based on this, construct a 99% confidence interval for the…

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

Q: Out of 300 people sampled, 228 had kids. Based on this, construct a 90% confidence interval for the…

A: Introduction Sample size, n=300 No. of people who had kids, x=228 CL=0.90

Q: A poll of 1785 U.S. adults found that 900 U.S. adults, or 50.42% regularly used Facebook as a news…

A: Given that: Sample proportion, p^=0.5042 sample size (n) =900

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 300 people sampled, 171 had kids. Based on this, construct a 95% confidence interval for the…

A:

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 100 people sampled, 48 had kids. Based on this, construct a 95% confidence interval for the…

A: Find z-critical value:…

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

A:

Q: Out of 400 people sampled, 304 had kids. Based on this, construct a 95% confidence interval for the…

A:

Q: Out of 500 people sampled, 330 had kids. Based on this, construct a 90% confidence interval for the…

A:

Q: Out of 200 people sampled, 132 had kids. Based on this, construct a 90% confidence interval for the…

A: Given Data Sample Size, n = 200 Number of successes, x = 132.0 Significance level,…

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

A:

Q: Out of 500 people sampled, 470 had kids. Based on this, construct a 95% confidence interval for the…

A: The sample size n= 500 The sample proportion is 470/500 = 0.94. The confidence level is 95%. The…

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

A:

Q: Out of 400 people sampled, 76 had kids. Based on this, construct a 90% confidence interval for the…

A: Find z-critical value:…

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

A:

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

A:

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

A:

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

A:

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: