A random sample of 800 Tennessee residents is taken.  Of those 800 residents, 170 said their favorite college basketball team was UK. Give a 95% confidence interval for p, the population proportion of all Tennessee residents that have UK as their favorite college basketball team. A.) (-.2125, .2125) B.) (.1510, .2740) C.) (-.0283, .0283) D.) (.1842, .2408

Q: 1. Customers randomly selected at a grocery store included 172 women and 45 men. 74 of the women and…

A: Given: Number of women (n1) = 172 Number of men (n2) = 45 Number of women used coupons (x1) = 74…

Q: Of 363 randomly selected medical students, 20 said that they planned to work in a rural community.…

A:

Q: If a retailer would like to estimate the proportion of their customers who bought an item after…

A: Given data,     P=58%=0.58     E=7%=0.07     z-value at 95% confidence is  zc =1.98     n=?

Q: A department store finds that in a random sample of 200 customers, 60% of the sampled customers had…

A:

Q: 5000 teleVision se ercent Tive years thout hee repair. In order to test this claim, a consumer group…

A: The value of z at a 99% confidence level is 2.576, which can be obtained by using the standard…

Q: 5.From a sample of 1,000 college students, 28% watch the Super Bowl game each year. Find the margin…

A:

Q: From a survey of 400 new Wawasan Open University students chosen at random, it was discovered that…

A:

Q: In a study of 480 households, 168 households were found to have 4 cell phones. Find a 95% confidence…

A: Given: x=168 n=480 p^=xn=168480=0.35

Q: b. In the year 2000, a survey of 1189 U.S. adults were asked who they felt was the greatest…

A: Given,n=2000x=331p^=xnp^=3312000=0.16551-p^=1-0.1655=0.8345α=1-0.90=0.1α2=0.05Z0.05=1.645…

Q: b. In the year 2000, a survey of 1103 U.S. adults were asked who they felt was the greatest…

A:

Q: 21 out of 36 American adults responded "yes" when asked if they have ever voted for a candidate in a…

A: α = 1 - Confidence level = 1-0.99=0.01

Q: In a random sample of 850​ Americans, 385 reported that they work two jobs. Which of the following…

A: The known values are, The sample proportion is,

Q: A random sample of 12 students showed the following time (in hours) of sleep 4.5 5 5.5 6 6 7 7.5 7.5…

A: Given data  4.5,5,5.5,6,6,7,7.5,7.5,8,9,5,7 n=12

Q: The Graduate Schools take a random sample of recent MS graduates (n=135) and finds that 12 of these…

A: Givenn=135x=12confidence interval = 90%p^=xn=12135=0.0889α=1-0.90=0.10α2=0.05zc=zα2=z0.05=1.6449…

Q: b. In the year 2000, a survey of 977 U.S. adults were asked who they felt was the greatest…

A:

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: The researcher rejected the null hypothesis at the 95% confidence level where F(2, 14) = 53.54, p =…

A: F-table  / Technology can be used to find P-value. I am using Excel function,

Q: A survey of 385 people found that 114 graduated college. Which of the following is a 90% confidence…

A: Given X=114 n=385 90% confidence interval for proportion  Zc=1.645  , at alpha=0.10 p=X/n

Q: 1992, the women in two statistics classes for students in the liberal arts at a large northeastern…

A: In 1992, the women in two statistics classes for students in the liberal arts at a large…

Q: If n=590 and p=0.93, construct a 90% confidence interval.

A: Express the expression for the confidence interval. C.I=p±Z*p(1-p)n Here, Z* is the critical value .…

Q: If n = 560 and ˆpp^ (p-hat) = 0.25, construct a 99% confidence interval.

A: Calculations: x=140 and N= 560

Q: consider  a random sample of 300 students in a university,75 of them declared that they like playing…

A:

Q: Of 91 adults selected randomly from one town, 60 have health insurance. Find a 90% confidence…

A: From the provided information, Sample size (n) = 91 Out of which 60 have health insurance. Sample…

Q: Of 380 randomly selected medical students, 210 said that they planned to work in a rural community.…

A: Solution: Let X be the number of medical students said that they planned to work in a rural…

Q: A researcher asks 600 people if they received a flu vaccine, and 65% said they did. What is the 95%…

A: From the provided information Sample size (n) = 600 65% said they received a flu vaccine that is…

Q: n a recent poll, 500 people were asked if they liked dogs, and 92% said they did. Find the margin of…

A: Given data, n=500 p=92%=0.92 Z value at 90% confidence is Zc=1.645 margin of error(E)=?

Q: The figure to the right shows the results of a survey in which 1016 adults from Country A, 1014…

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

Q: From a survey of 350 coworkers you find that 231 would like the company to provide on-site daycare.…

A: Given that,  Sample size is n= 350  And we find 231 would like the company to provide on-site…

Q: 6) An Internet service provider sampled 590 customers and found that 85 of them experienced an…

A: According to the given information, we have Total number of customers = 590 85 of them experienced…

Q: A past survey of 1,068,000 students taking a standardized test revealed that 8.5% of the students…

A: Solution: From the given information, n1=1,068,000, p1-hat=0.085, n2=1,476,000 and p2-hat=0.092. The…

Q: A survey found 195 of 250 randomly selected Internet users have high-speed Internet access at home.…

A: The sample proportion is computed as follows, based on the sample size N = 250N=250 and the number…

Q: Of the 1,000 people, 550 people used company s's smartphone and 460 people used company a's…

A: Given: n= 1000 ,x= 550.0 At 95.0 % confidence level , z score= 1.96 Need to find confidence…

Q: If n = 500 and ˆpp^ (p-hat) = 0.2, construct a 99% confidence interval.

A:

Q: A random sample of students at a college shows that 54 of 200 students had part-time jobs. Which of…

A: It is given that x is 54 and n is 200.

Q: 1. Out of a sample of 150 people who walked into a fast-food restaurant, 135 said they prefer…

A: As per our guidelines we are suppose to answer only one…

Q: 3. In a sample of 300 people, 154 said that they watched news on television. Find the 90% confidence…

A: Given : Sample size of people (n) = 300 Let X : No. of people from sample  who said they watched…

Q: 1. In a poll of 2,500 likely voters, 966 say that the Philippines spend too little on education.…

A:

Q: Of 266 employees selected randomly from one company, 13.53% of them commute by carpooling. Find the…

A:

Q: If 64 out of 320 people received fruit in addition to candy what are the 95% confidence interval…

A:

Q: population proportion, what is the 95% confidence interval estimating the proportion of businesses…

A: Given : Sample Size, n = 673 Number of successes, x = 384 confidence level,c=0.95

Q: n 2013, the Gallup poll asked 1,039 American adults if they believe there was a conspiracy in the…

A: Given data, n=1039 x=634 sample proportion p=x/n =634/1039 =0.61   z-value at 90% confidence is…

Q: At a local college, an admissions officer surveys the incoming class of 1,000 first-year students…

A:

Q: A past survey of 1,068,000 students taking a standardized test revealed that 9.6% of the students…

A: Given : n1 = 1068000 p̂1 = 0.096 n2 = 1476000 p̂2 = 0.092

Q: In a survey of 32 students at a local high school, 17 support changing the schools mascot. Find the…

A:

Q: survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The…

A: The objective is to develop a 99% confidence interval estimate of the proportion of all of the…

Q: If n = 420 and ˆpp^ (p-hat) = 0.05, construct a 95% confidence interval. Round three places.

A:

Q: A survey found that out of 800 workers, 150 said they were interrupted by frank phone calls. Find…

A: Given,n=800x=150p^=xnp^=150800=0.18751-p^=1-0.1875=0.8125α=1-0.95=0.05α2=0.025Z0.025=1.96

Q: 2. A survey found that out of 900 workers, 150 said that they were interrupted by frank phone calls.…

A: In question, We have given the number of favorable cases 150 and sample size 900 then we'll find 95%…

Q: b. In the year 2000, a survey of were aske those surveyed, 279 reported that Abraham Lincoln was the…

A:

Q: The figure to the right shows the results of a survey in which 1013 adults from Country A, 1001…

A:

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.