. The following information is from the article College Students' Attitudes Toward UFOs, (College Student Journal, March 2009). In a random sample of 180 college students, 10 believed that aliens were responsible for building Stonehenge. Construct a 90% confidence interval for the true proportion of all college students who believe this. g) Interpret your confidence interval in context.

Q: According to a poll, 81% of California adults (409 out of 506 surveyed) feel that education is one…

A: Point estimate=0.81

Q: In your work for a real estate company, you find that in a sample of 1762 home buyers, 722 found…

A: Given Data: x=722 n=1762   p^=7221762=0.4098

Q: In a survey of 3005 adults aged 57 through 85 years, it was found that 81.7% of them used at least…

A: Given :  n = 3005 p̂=0.817

Q: In a random sample of 100 customers, the items that customers purchased were tracked. It was found…

A: Given,sample size(n)=100sample proportion(p^)=0.171-p^=1-0.17=0.83α=1-0.90=0.1α2=0.05Z0.05=1.645

Q: a survey of 3088 adults aged 57 through 85​ years, it was found that 87.1​% of them used at least…

A: The formula for computing confidence interval is,  n is the sample size and P is the proportion.

Q: confidence inferval for the actual percentage of students who want to pursue a college course.…

A: here from given  n = sample size  = 600 x= no of student expressed interest to purchase a college…

Q: An issue of Time Style and Design reported on a poll conducted by Schulman Ronca & Bucuvalas Public…

A: (a)given that,possible chances (x)=410size(n)=603success rate ( p )= x/n = 0.6799point of estimate =…

Q: 1. A survey of 224 children of ages 9 to 17 was conducted shortly after 1986 space-shuttle disaster.…

A:

Q: . How many of the 3335 subjects used at least one prescription​ medication? b. Construct a​ 90%…

A: n = 3335 p = 0.804

Q: Find a 95% confidence interval for the proportion of all U.S. adults with household incomes of at…

A: We need to construct the 95%95\%confidence interval for the population proportion. We have been…

Q: 3.) The math department of a university surveyed 4,835 students and 2,469 of them stated that…

A: Given: Sample size of students (p) = 4835 Number of students stated statistics as their favorite…

Q: ccording to a poll taken in a certain country, when adults were asked whether they were thriving,…

A: A sample proportion, ˆp, is computed by using the formulap^=xn p^=360450=0.8

Q: Please answer all. Thank you. A 95 percent confidence interval for the mean can be interpreted mean…

A: We have give that the statement 95% confidence interval for the mean can be interpreted

Q: a recent study of 100 people in Burlingame found that 19 were obese.  Find the 90% confidence…

A:

Q: 7. ASBU, Department of Business Administration conducts a study to identify the favorite courses…

A: It was stated that ASBU, Department of Business Administration conducts a study to identify the…

Q: one with a 95% confidence level and the other with a 99.7% confidence level. Which interval is…

A: Confidence interval is probability, which refers that population parameter will fall within set of…

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: The individual object in the study was a randomly selected . This is computer-graded so use exact…

A:

Q: a newspaper article stated that the us supreme court received 812 letters from around the country on…

A: To find the 95% confidence interval for the true proportion of all American adults who feel that…

Q: In a survey of 3473 adults aged 57 through 85​ years, it was found that 84.6% of them used at least…

A:

Q: 5-Seventy percent of 50 randomly selected students from college of science and engineering were…

A:

Q: An issue of Time Style and Design reported on a poll conducted by Schulman Ronca & Bucuvalas Public…

A: (a)given that,possible chances (x)=410size(n)=603success rate ( p )= x/n = 0.6799point of estimate =…

Q: According to a poll, 77% of California adults (389 out of 506 surveyed) feel that education is one…

A: Given that the number of favorable cases Favorable Cases XX = 389389 Sample Size NN = 506506…

Q: In a survey of 2480 golfers, 15% said they were left-handed. The survey's margin of error was 3%.…

A: Sample size(n)=2480sampl proportion(p^)=0.15Margin of error(E)=0.03

Q: 9. A supermarket is planning to market a new ice cream. However, before marketing this ice cream,…

A: No. of people who tasted ice cream (n)=400 No. of people who liked the ice cream (x)=244

Q: A 90% confidence interval for the average salary of all CEOS in the electronics industry was…

A: Confidence interval: It is defined as the range which contains the value of true population…

Q: 7 out of 70 students said they were comfortable with “working in a workplace with a lot of…

A: Given that  57 out of 70 students said they were comfortable with “working in a workplace with a lot…

Q: Elly and Drew work together to collect data to estimate the percentage of their classmates who own a…

A: Given that Elly and Drew work together to collect the data to estimate the percentage of their…

Q: If 64% of a sample of 550 people leaving a shopping mall claims to have spent over $25 create and…

A: Given,   Sample size = 550 Sample proportion = 0.64   Critical value: Using z-table, the z-critical…

Q: b) Find a 99% confidence interval for the true percentage of flights that arrive late. c) Interpret…

A: a) Assumptions and inferences : Assumption 1: The sample size should be more than 30. Assumption 2:…

Q: In a survey of 3116 adults aged 57 through 85​ years, it was found that 86.2​% of them used at least…

A:

Q: 2.) A survey of 200 college students revealed that 160 of them eat dessert daily. Construct a 95%…

A:

Q: Gay marriage. In May 2012, a CNN/ORC Poll asked arandom sample of 1009 U.S. adults this question:Do…

A:

Q: In a survey of 3213 adults aged 57 through 85​ years, it was found that 83.9​% of them used at…

A:

Q: Construct a 95% confidence interval for p1 - p2 for a survey that finds 30% of 240 males and 41% of…

A: