f 260 employees selected randomly from one company, 18.46% of them commute by carpooling. Construct a 98% confidence interval for the true percentage of all employees of the company who carpool. Interpret the results.

Q: In a survey of 2279 ​adults, 729 say they believe in UFOs. Construct a 90% confidence…

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Q: A survey of 200,000 boat owners found that 12% of the pleasure boats were named Serenity.Find the…

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Q: In a survey of 2274 adults, 749 say they believe in UFOs. Construct a 99% confidence interval for…

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Q: Out of a sample of 500 high school students, 376 said they would prefer to have computers in every…

A: Let X be the number of students who prefer to have computers in every classroom. X here will be a…

Q: In a survey of 2344 ​adults, 715 say they believe in

A: Given that there are 2344 adults and 715 say they believe in UFOs. Consider the sample proportion,…

Q: An accounting firm has 1200 clients. From a random sample of 120 clients, 110 indicated very high…

A: Given : An accounting firm has 1200 clients So,  Population size (N) = 1200 Sample size (n) = 120…

Q: In a survey of 300 T.V. viewers, 120 said they watch network nightly news programs. Construct a 95%…

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

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

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Q: A sample of 500 nursing applicants included 80 men.  Determine the 95% confidence interval for the…

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Q: In a survey of 50,00 people, 80% indicated that they listened to their favorite radio station…

A: Hern= 5000 P^ = 0.80 We have to construct 95% ci for p

Q: A sample of 500 applications to a nursing programme included 400 applications from women with the…

A: Given Information: Sample size n=500 If 400 were applications from women, then 500-400=100…

Q: In a random sample of 500 adults, 410 described themselves as vegetarians. Construct a 95%…

A: We have been provided with the following information about the adults who describe themselves as…

Q: The manager at Bell's Gym wants to know the proportion of members who use the Cardio Machines. A…

A: The objective of this question is to calculate a 97% confidence interval for the proportion of gym…

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: In a sample of 310 adults, 177 had children. Construct a 87% confidence interval for the true…

A: Find z-critical value:…

Q: when 282 college students are randomly selected and surveyed, it is found that 109 own a car. find a…

A: It is given that sample size (n) is 282 and x is 109.

Q: business conducts a random sample of 89 of its customers and find that 44 of them think the company…

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

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Q: A survey of 300 women shoppers found that 17% of them shop on impulse. What is the 80% confidence…

A: From the provided information,A survey of 300 women shoppers found that 17% of them shop on impulse.…

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

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Q: The Nielsen company surveyed 257 owners of android phones and found that 217 of them planned to get…

A: From the provided information,

Q: Of 254 randomly selected medical students, 25 said that they planned to work in a rural community.…

A: It is given that, the number of students said that they planned to work in natural community   (x)…

Q: An ice cream shop wants to know how many customers enjoy their newest flavor. 200 randomly selected…

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

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

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Q: 90% and​ 95% confidence intervals for the population proportion. Interpret the results and compare…

A: Answer Favorable cases [x] = 1230The sample size [n] = 2105

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: n a survey of 3196 adults, 1405 say they have started paying bills online in the last year.…

A: Given data, n=3196 x=1405 p=x/n=1405/3196 =0.4396 z-value at 99% confidence is Zc=2.576

Q: The manager at Bell’s Gym wants to know the proportion of members who use the Cardio Machines. A…

A: DETAILED SOLUTION IS PROVIDED BELOWExplanation:

Q: If a 90%, a 95% and a 99% confidence interval are foung for a population mean, describe how the 3…

A: Population mean CI for known population standard deviation is, CI=x¯±Zσnwhere,σ=population standard…

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 sample of 250 high school students, it was found that 85.2% (213) of them later…

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Q: In a sample of 480 adults, 384 had children. Construct a 99% confidence interval for the true…

A: The random variable adults with children follow normal distribution. We have to construct 99%…

Q: Out of a survey of 900 adults, 567 said that teenagers were more dangerous drivers than senior…

A: Givensample size(n)=900No.of adults said that teenagers were more dangerous divers(x)=567sample…

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

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Q: In recent survey of 1092 students, 966 of them would like to recommend www.helpyourmath.com to their…

A: Given;n = 1092x = 966confidence level 95%

Q: Alan wants to estimate the proportion of adults who walk to work. In a survey of 10 adults, he finds…

A: Given: Alan wants to estimate the proportion of adults who walk to work. Total number of adults=10…

Q: A Surprising fact indicates that a small proportion of teens use a password on their mobile device.…

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Q: in a survey of 692 lesbian, gay, bisexual, or transgender U.S adults 378 said that they consider…

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Q: In a survey of 356 people who attended a local professional soccer teams most recent home game, 135…

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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.