Do you believe that more than 92% of google play apps are free? to answer the question above, a sample of 1000 google play apps was collected and 932 of them was found to be free. a). does this data provide strong evidence (at 5% level) that more than 92% of google play apps are free? b). what is your conclusion if the significance level now is 10%?

Q: central airlines claims that the median price of a round-trip ticket from chicago, illinois, to…

A: Sample size(n)=25 Median price=606 The number of tickets below $606 =11

Q: In the past, 75% of the tourists who visited Chattanooga went to see Rock City. The management of…

A: GivenNo. of tourist(n)=400No.of tourists visited Rock city(x)=320p^=xn=320400p^=0.80

Q: d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample…

A: Given Information: Population proportion of St. Paulites who drink bottled water more than once a…

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: The given hypothesis is H0:p1=p2 versus H1:p1>p2.

Q: 1)The records for all trains scheduled to depart from the opera house train station last year showed…

A: In given questionConcept Used: Population: Population is a characteristic of the specified area or…

Q: According to the Pew Research Center,on the propotion of the American population who use only a…

A: A)Verifying the conditions:It is given that, the proportion of the American population who use only…

Q: According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft,…

A: If the value of sample size is more than 30, then we say that it is a large sample test. Once we…

Q: Thirty-three percent of all Americans drink bottled water more than once a week (Natural resources…

A: Note: Hi there! Thank you for posting the question. Unfortunately in the sub-part(b), some required…

Q: The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Alcohol abuse has been described by college presidents as the number one problem on campus, and it…

A: Given that  Sample size n =10904 Favorable cases x =2486

Q: According the the U.S. Census bureau, the percentage of Santa Ana residents with a bachelor's degree…

A:

Q: a. Suppose you select a sample of 540 St.Paulites. Show the sampling distribution of p (to 4…

A: According to the answering guidelines, we can answer only three subparts of a question and the rest…

Q: Newborn babies are more likely to be boys than girls. A random sample found 13,173 boys were born…

A: We have to use CLT for finding the probability for proportions.