poll found that 329 out of 763 adults said they would travel to outer space in their lifetime, given the chance. Estimate the true proportion of adults who would like to travel to outer space with 92% confidence.

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: A survey found that 73% of a random sample of 8344 American adults approved of cloning endangering…

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Q: A researcher found a 95% confidence interval for the proportion of college students who believe in…

A:

Q: results

A: Let X be the number of medical doctors that had a solo practice.  N : A sample size of medical…

Q: Out of 400 people sampled, 48 had kids. Based on this, construct a 95% confidence interval for the…

A: According to the given information, we have Total number of people sampled = 400 and 48 had kids.…

Q: A survey of 120 female freshmen showed that 9 did not wish to work after marriage.  Find the 99%…

A:

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: A survey of shoppers is planned to see what percentage use credit cards. Prior surveys suggest 53%…

A: Find z-critical value:…

Q: Out of 500 people sampled, 395 had kids. Based on this, construct a 90% confidence interval for the…

A: It is given that 395 out of 500 people sampled had kids. The sample proportion is 395/500 = 0.79.…

Q: Public Policy Polling recently conducted a survey asking adults across the U.S. about music…

A: Given data  N = 571 X = 80 99% confidence interval

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

A:

Q: A uSa today/CNN/Gallup survey of 369 working parents found 200 who said they spendtoo little time…

A:

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, 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: In a survey of 1037 US adults ages 65 and over, 643 were concerned about getting the flu. A 99%…

A: Given,n=1037x=643p^=xnp^=6431037=0.6201-p^=1-0.620=0.380α=1-0.99=0.01α2=0.005Z0.005=2.58    (from…

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

A:

Q: A poll taken this year asked 1015 adults whether they were fans of a particular sport and 62% said…

A: sample size (n)=1015  Proportion of this year (p) =0.62 Confidence level = 0.95α = 1- confidence…

Q: What is the margin of error for a sample of 34 students whose average height, with 90% confidence,…

A: Confidence Interval: Confidence interval is the interval estimate of the population parameter. It is…

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

A:

Q: A recent survey found that 35 people out of a sample of 410 South Africans suffer from diabetes.…

A:

Q: A tv sports commenter wants to estimat th proportion of citizens who "follow professional football."…

A:

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

A:

Q: A recent study among 150 street hawkers in Cape Town showed that 48 of them are of the opinion that…

A:

Q: In 2009, 33% of Americans felt that one parent should stay home to raise the children instead of…

A: Given,n=1015x=416p^=xnp^=4161015=0.4099α=1-0.99=0.01α=0.01

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 research poll of 1501 adults showed that 1051 of respondents believe in global warming. Find a 98%…

A:

Q: Find the margin of error for the​ 99% confidence interval used to estimate the population…

A: p^ : Sample Proportion 35% of the patients showed improvement. So, probability that a patient shows…

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 500 people sampled, 145 received flu vaccinations this year. Based on this, construct a 90%…

A: We have given that  Sample size n=500 , favorable cases x=145 90% confidence interval  Sample…

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: Nearly one-half of Americans ages 25 to 29 are unmarried. How large a sample is necessary to…

A: The provided information is The margin of error is E=0.02 α=0.05 The critical value is zc=1.96…

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

A:

Q: A survey of 2500 teen-agers noted that 60% of them are extensive internet users. With 90% confidence…

A:

Q: Out of 300 people sampled, 282 had kids. Based on this, construct a 95% confidence interval for the…

A:

Q: Out of 400 people sampled, 336 had kids. Based on this, construct a 95% confidence interval for the…

A: Given that out of 400 people sampled, 336 had kids.  95% confidence level

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

A:

Q: Out of 300 people sampled, 66 had kids. Based on this, construct a 99% confidence interval for the…

A:

Q: Out of 200 people sampled, 116 had kids. Based on this, construct a 95% confidence interval for the…

A: Given: On including 200 people sample with 116 being kids. The 95% confidence interval is calculated…

Q: Out of 600 people sampled , 102 had kids. Based on this , construct a 90% confidence interval for…

A: Given that, Out of 600 people sampled , 102 had kids.  X = 102 N = 600 90% confidence level

Q: (12 adults said they would travel to outer space in their lifetime, given the chance. Estimate the…

A: Obtain the 88% confidence interval for the true proportion of adults who would like to travel to…

Q: When 370 junior college students were surveyed, 145 said they have a passport.  Construct a 95%…

A: Zcrit = 1.96

Q: In 2013, the Gallup poll asked 1,039 American adults if they believe there was a conspiracy in the…

A:

Q: Out of 400 people sampled, 340 received flu vaccinations this year. Based on this, construct a 95%…

A: Given Data: p^=340400=0.85   n=400 z-value corresponding to 95% Confidence Interval is 0.85

Q: A random sample of high school seniors were asked whether they were applying for college. The…

A:

Q: Exercise 2: It was found that 302 out of 745 people said they would like to retire in a farm if they…

A: Given : It was found that 302 out of 745 said they would like to retire in a farm if they are given…

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