In a random sample of 990 college students 246 identified the religious preference as catholic what is the 95% confidence interval estimate of the population

Q: In a Gallup poll of 804 randomly selected adults living in the 50 U.S. states and the District of…

A: Answer x =466n =804Confidence interval =95%

Q: There are 3000 beads of various colors in a jar. In a sample of 125 beads, 40% were red. Calculate…

A:

Q: calculate the 95% confidence interval for the Presidential performance approval rating for a survey…

A: Solution: Let X be the number of people approved of the president’s performance and n be the number…

Q: ) When 415 junior college students were surveyed, 150 said they have a passport. Construct a 95%…

A:

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: In a survey of 3985 ​adults, 711 oppose allowing transgender students to use the bathrooms of the…

A: Given, n=3985 x=711 To find a confidence interval for a population proportion.

Q: In a survey of 4008 ​adults, 728 oppose allowing transgender students to use the bathrooms of the…

A:

Q: In a survey of 1400 people, 75% indicated that they listened to their favorite radio station because…

A: In statistical inference there are two branches-1)hypothesis testing and 2)Estimation In estimation…

Q: In a survey of 3185 adults, 1455 say they have started paying bills online in the last year.…

A:

Q: 2. In 2001, a Gallup poll surveyed 1016 households in the U.S about their pets. Of those surveyed,…

A: Given;n = 1016 x = 599p' = xn=5991016=0.58957

Q: When 302 college students are randomly selected and surveyed, it is found that 122 own a car. What…

A: E have to find point estimate with with confidance interval..

Q: a survey of 1083 people, 585 answered "yes" to a particular question. Construct a 90% confidence…

A:

Q: In a survey of 2000 adults in a recent​ year 1404, say they have made a New​ Year's resolution.…

A: n=2000x=1404

Q: qualities as options, one of which is "communicator", as the most important quality for an effective…

A: It is given that  Favourable cases, X = 121 Sample size, n = 275 Sample proportion, p^ = X/n…

Q: Of 219 employees selected randomly from a company, 10% of them commute by carpooling. Construct a…

A: Given Data Sample Size, n = 219 Sample proportion = p̂= 0.10 Significance level, α…

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

A: Given , n = 1008 x = 598

Q: n a randomly selected group of 750 automobile deaths, 240 were alcohol related. Construct a 95%…

A: Given that,  x = 240, n = 750 The value of sample proportion is,

Q: Suppose Bob makes a 95% confidence interval and his result is (70, 90). True or false: We can tell…

A: Given Information: 95% confidence interval = (70,90)

Q: An interactive poll found that 397 of 2,391 adults aged 18 or older have at least one tattoo. A.…

A: Given data: Sample size (n) = 2391 x = 397 adults To construct: 1.95 % confidence interval 2.98%…

Q: n a survey of 3932 ​adults, 718 oppose allowing transgender students to use the bathrooms of the…

A:

Q: In a survey of 3983 ​adults, 747 oppose allowing transgender students to use the bathrooms of the…

A:

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 2270 ​adults, 746 say they believe in UFOs.   Construct a 90% confidence interval for…

A: Given that, Total number of adults = 2270 746 say they believe in UFOs.

Q: When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find…

A: We want to find 95% CI for population proportion (p)

Q: 9. A survey of 280 homeless persons showed that 63 were veterans. Construct a 90% confidence…

A: In a survey of 280 homeless persons showed that 63 were veterans.

Q: Out of 500 people sampled, 455 had kids. The best point estimate for p is . The margin of error…

A:

Q: In a survey of 1,626,773 U.S. adults, 49,311 personally identified as lesbian, gay, bisexual, or…

A:

Q: In a randomly selected group of 650 automobile deaths, 180 were alcohol-related. Construct a 95%…

A:

Q: n a survey of 2847 ​adults, 1408 say they have started paying bills online in the last year.…

A: Given that  Sample size (n) =2847 People started paying bills online (x) = 1408 Proportion (p) =…

Q: Of 346 items tested, 22 are found to be defective. Construct the 98% confidence interval for the…

A: Solution: Let X be the number of items found to be defective and n be the sample number of items…

Q: In a random sample of 184 college students, 97 had part-time jobs. Find the margin of error for the…

A: Given : Sample Size, n = 184 Number of successes, x = 97 confidence level,c=0.99

Q: In a survey of 2480 golfers, 372 said they were left-handed. Construct a 92% confidence interval for…

A: GIVEN DATA : Total number of golfers are 2480, Number of left handed golfer are 372        TO FIND :…

Q: In a random survey of 2221 North Americans 689 of them had blood type A+. Construct a 94% Confidence…

A:

Q: In a random sample of 230 men , 18 or older , 142 were married. Construct and explain a 90%…

A: Solution: Let X be the number of married men 18 or older and n be the sample number of men. From the…

Q: f 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct…

A: Given data, n=260 p=18.46% =0.1846 z-value at 98% confidence is Zc=2.326

Q: A recent survey of 349 people ages 18 to 29 found that 86% of them own a smartphone. Find the 99%…

A: The 99% confidence interval of the population proportion is obtained below as follows:   The formula…

Q: Of 848 children surveyed, 144 plan to join a volunteer group in the future. Construct a 90%…

A: We have given that n=848, X=144, C.I=90%=0.90

Q: eate a confidence interval with sample 517 people, 45.6% said yes

A: Given that  Sample size (n) = 517 Proportion said yes = 0.456  P = 0.456    We know that  Confidence…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.