In a sample of 400 Canadians, 220 say they would rather retire in the US than in Canada. Calculate the 95% confidence interval for the true proportion of Canadians who would rather retire in the US.

Q: An accounting research firm asked 2100 accountants “Have you ever fudged the numbers before?” and…

A: The sample size is 2100 and 40% responded yes.

Q: In a study of 200 accidents that required treatment in an emergency room, 80 occurred at work. Find…

A: Obtain the 90% confidence interval for the true proportion of accidents that occurred at work. The…

Q: 1. In a recent poll 62 out of 149 randomly chosen students at Allen High School say they plan to buy…

A:

Q: A research group asked 4488 Americans how they fall asleep, and 536 of them fall asleep on their…

A: Obtain the 90% confidence interval for the percentage of all Americans who fall asleep on their…

Q: Of 380 randomly selected medical​ students, 21 said that they planned to work in a rural community.…

A: Given that 380 randomly selected medical​ students, 21 said that they planned to work in a rural…

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents living in poverty is…

A: Given: p^1=0.177p^2=0.133n1=1200n2=1500

Q: A marketing survey involves product recognition in New York and California. Of 558 New Yorkers…

A: The sample proportions are computed as follows:

Q: In a poll of 1000 likely voters, 560 say that the United States spends too little on fighting hunger…

A: Given, The sample proportion is, Critical value: Using z-table, the z-critical value at the given…

Q: A researcher wanted to compare the percentages of men and women who play the lottery.  They randomly…

A:

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

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: Construct a 95% confidence interval for the proportion of college students who say they own their…

A: Given : n=410 , X=155  , α=0.05 We want to find the 95% confidence interval for the proportion of…

Q: A Gallup poll of 1487 adults showed that 43% of the respondents have Facebook pages.  Construct a…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: Baylor University is interested in what proportion of applicants would like to enter statistics…

A: Givenn=100x=24p^=xn=24100=0.24confidence interval = 99%

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

A:

Q: One year’s survey results, of 1525 respondents, 846 said that they expected difficulty finding a…

A:

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

A: Given, The sample proportion is,