We wish to estimate what percent of adult residents in a certain county are parents. Out of 400 adult residents sampled, 36 had kids. Based on this, construct a 95% confidence interval for the proportion of adult residents who are parents in this county. (     ,      ) (Give your answers as decimals to three places)

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: 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 600 people sampled, 546 had kids. Based on this, construct a 99% confidence interval for the…

A: We have given that,  Sample size (n) = 600 and favorable cases (X) = 546  Then,  We will find the…

Q: Out of 300 people sampled, 258 had kids. Based on this, construct a 99% confidence interval for the…

A:

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A:

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 200…

A:

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: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400…

A: Given that,   The sample proportion is, Critical values: By using the standard normal table of Z,…

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

A:

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400…

A: Given data, n=400 x=228 sample of proportion (p)= x/n = 228/400 = 0.57   The z value at 99%…

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 100…

A: Given information

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A:

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: 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: You recently sent out a survey to determine if the percentage of adults who use social media has…

A: We have to find the confidence interval for population proportion (p) CI = p^ ±zα/2p^(1-p^)n Where,…

Q: In a random sample of 500 Americans, 50% indicated that they have a cat for a pet. Estimate with 95%…

A: Given information

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: Out of 600 people sampled, 492 had kids. Based on this, construct a 99% confidence interval for the…

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Q: recently sent out a survey to determine if the percentage of adults who use social media has changed…

A: The value of z at 96% confidence level is 2.054, which can be obtained by suing the standard normal…

Q: Out of a sample of 200 adults aged 18 to 30, 70 still lived with their parents. Based or confidence…

A: Sample size n=200Favorable cases x=70Sample proportion p^=x/n=70/200=0.35

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A:

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 100…

A:

Q: Out of 400 people sampled, 288 had kids. Based on this, construct a 99% confidence interval for the…

A: In statistical inference, there are two types of estimation,  1) Point estimation and 2) Interval…

Q: Use the data from this survey to construct a 91% confidence interval estimate of the proportion of…

A:

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

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Q: was the percentage of adults who used social media five years ago. Of the 2703 people who responded…

A: (a) The sample proportion is: p= x/n=1758/2703 =0.65 The value of z at 92% confidence level is 1/75,…

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A: Givenn=600x=276p^=xn=276600=0.46confidence interval = 95%

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400…

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

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 400…

A: It is given that sample size (n) is 125 and x is 65.

Q: Out of 400 people sampled, 280 had kids. Based on this, construct a 90% confidence interval for the…

A: Given, Sample size=n=400 Number of people with kids=x=280 Proportion of people with…

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

A:

Q: You recently sent out a survey to determine if the percentage of adults who use social media has…

A: Given  The percentage of adults who use social media 5 years ago  =   62% Out of 2751, 1740 using…

Q: Out of 300 people sampled, 270 had kids. Based on this, construct a 90% confidence interval for the…

A: given data, n=300x=270CI=0.90α=1-0.90=0.10Zc:=Zα/2=Z0.10/2=Z0.05=1.645 [from excel function , code…

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 200…

A: It is given that n is 200, x is 150 and the confidence level is 0.99.

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

A: It is given that:

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.