n July 2018, the Gallup Poll asked a random sample of 1033 American adults, "Has drug abuse ever been a cause of trouble in your family?" The poll found that 30% of respondents said "yes," a record high percentage since the question started being asked in 1995. What is the approximate margin of error for 95% confidence? Give your answer in three decimal places.

Q: In a recent poll, 360 people were asked if they liked dogs, and 92% said they did. Find the margin…

A:

Q: Home Internet Access In a recent year, a study found that 77% of adults ages 18–29 had internet…

A: From the provided information, Sample size (n) = 190 From which 161 had access. Confidence level =…

Q: a recent poll, 550 people were asked if they liked dogs, and 44% said they did. Find the margin of…

A: We have given that  Sample size n= 550 Sample proportion p^= 0.44

Q: recent poll, 470 people were asked if they liked dogs, and 40% said they did. Find the margin of…

A: The critical value at 99% confidence level from standard normal table will be:   Following…

Q: In a recent poll, 540 people were asked if they liked dogs, and 10% said they did. Find the margin…

A: We have to calculate 95% confidence level margin of error for single proportion.

Q: In a telephone survey of 1100 adults, 740 adults expressed concern about the future health of social…

A:

Q: The median price of a single family home in a given town is $250,000 in 2018.  A real estate broker…

A: Given: The median price of a single family home in a given town is $250,000 in 2018.  Claim : A real…

Q: n a recent poll, 120 people were asked if they liked dogs, and 57% said they did. Find the margin of…

A: given data, n=120p^=0.57CI=0.99α=1-0.99=0.01we have to find out the confidence interval for the…

Q: In a recent poll, 190 people were asked if they liked dogs, and 63% said they did. Find the margin…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: In a recent poll, 360 people were asked if they liked dogs, and 74% said they did. Find the margin…

A: Critical value: The value of α is 0.10 for 90% confidence level. Using excel formula…

Q: find a 99% confidence interval for the proportion of us adults favoring taxes on soda and junk food.…

A:

Q: In a recent poll, 260 people were asked if they liked dogs, and 13% said they did. Find the margin…

A:

Q: In a recent poll, 140 people were asked if they liked dogs, and 87% said they did. Find the margin…

A: Sample size, n = 140 p = 87% = 0.87 99% confidence level

Q: In a recent poll, 480 people were asked if they liked dogs, and 52% said they did. Find the margin…

A: Provided, N=480 P=0.52 be the proportion of people who liked dogs. a=0.10

Q: A recent survey asked the question, “Have you ever cut off communication with a family member…

A: Given that, p^=0.17,n=5592 Critical values: By using the standard normal table of Z, the critical…

Q: In a recent poll, 560 people were asked if they liked dogs, and 22% said they did. Find the margin…

A: For 95% confidence intervalα=1-CI=1-0.95=0.05So, zα2=z0.052=z0.025=1.96

Q: A rare birth defect occurs in approximately 0.5% of all cases in males. If we sample all the males…

A: Given information: The total number of males born in 2016 in a specific region is N = 200,000. It is…

Q: A research firm needs to estimate within 3% the proportion of junior executives leaving large…

A: From the given information , E = 3% = 0.03 = 0.41Confidence level , C = 0.95

Q: In a survey of 323 adults over 50, 60% said they were taking vitamin supplements. Find the margin of…

A:

Q: in a recent year, a study found that 75% of adults ages 18–29 had internet access at home. A…

A: Solution: Let X be the number of undergraduates had internet access and n be the sample number of…

Q: In a recent poll, 580 people were asked if they liked dogs, and 9% said they did. Find the margin of…

A: Given:n=580Where:E is the margin of error. is the z-score that corresponds to the desired confidence…

Q: In a recent poll, 150 people were asked if they liked dogs, and 88% said they did. Find the margin…

A: Given Sample size=n=150 Sample proportion=p^=0.88 Confidence interval=99%

Q: In a recent poll, 150 people were asked if they liked dogs, and 55% said they did. Find the margin…

A:

Q: In a recent poll, 490 people were asked if they liked dogs, and 5% said they did. Find the margin of…

A: given data n = 490p^ = 0.0590% ci, E = ?

Q: In a recent polI, 200 people were asked if they liked dogs, and 15% said they did. Find the margin…

A: From the provided information, Sample size (n) = 200 15% people said they like dogs that is p̂ =…

Q: In a recent year, a study found that 75% of adults ages 18–29 had internet access at home. A…

A: The following information has been provided: The population proportion is p=0.75 The sample size is…

Q: You want to estimate the percentage of small incorporated businesses that are owned by women. A…

A: The random variable percentage of small incorporated businesses follows binomial distribution. The…

Q: In a recent poll, 260 people were asked if they liked dogs, and 67% said they did. Find the margin…

A: Given: p = 67%=0.67 n= 260 The value of z at a 90% confidence level is 1.645, which can be found by…

Q: n a recent poll, 230 people were asked if they liked dogs, and 70% said they did. Find the margin of…

A: It is given that the n = 230 and p hat is 0.70.

Q: If you knew that I study reported that 67% of pre-kindergarten children ages 3 to 5 whose mother had…

A:

Q: In a recent poll, 510 people were asked if they liked dogs, and 70% said they did. Find the Margin…

A: Find z-critical value:…

Q: In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin…

A:

Q: In a recent poll, 170 people were asked if they liked dogs, and 87% said they did. Find the Margin…

A: Given  p = 0.85, n = 170  Find margin of error for this poll

Q: A research survey is commissioned to estimate the proportion of UK people who have traveled to…

A: Obtain the large sample size at 95% confidence level.   The large sample size is obtained below as…

Q: In a recent poll, 530 people were asked if they liked dogs, and 95% said they did. Find the margin…

A: Given, n=530 p=0.95 Confidence level = 0.95 Critical value for 95% confidence level is 1.96.

Q: recent poll, 250 people were asked if they liked dogs, and 52% said they did. Find the margin of…

A:

Q: In a recent poll, 590 people were asked if they liked dogs, and 24% said they did. Find the margin…

A: The question is about margin of error.Given :No. of people under poll ( n ) = 590Sample proportion…

Q: A researcher wanted to estimate the proportion of undergraduate college students (18– 29 years) with…

A:

Q: In a recent poll, 150 people were asked if they liked olives, and 23% said they did. Find the margin…

A: Given: n=150 p=0.23 α=0.1

Q: In a recent poll, 120 people were asked if they liked dogs, and 67% said they did. Find the margin…

A: Given: In a poll, 120 people were asked if they liked dogs, and 67% said they did. So, n=120p=0.67