Approximately 70% of the U.S. population recycles. According to a green survey of a random sample of 250 college students, 204 said that they recycled. At α = 0.01, is there sufficient evidence to conclude that the proportion of college students who recycle is greater than 70%?

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: It is given that the proportion of fatal traffic accidents in the country in which the driver had a…

Q: a)Calculate an unbiased point estimate of Pm. b) We wish to construct a 94 % classical confidence…

A: It is given that Sample size nm = 700 Number of patients with serious symptoms, xm = 226 Confidence…

Q: A survey in 2019 asked a random sample of U.S. adults if they believed the government was tracking…

A:

Q: It has been found that 1 in 12 inpatients is exposed to MRSA, an infectious bacterial species that…

A: The expected number of exposed patients to MRSA is obtained by multiplying the total number of…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: Given thatSample size (n)=113Population proportion=0.34Number of positive BAC(x)=52We have to find…

Q: What ero the null and alternative hypotheses? H, V versus H, (Type integers or decimals. Do not…

A: Given data number of success , x= 387.0 sample size, n = 1109 population…

Q: The quality inspector of a certain factory states that 3% of outgoing products have major defects. A…

A: Given data: n =200 Significance level = 0.05 Given claim: The quality inspector of a certain factory…

Q: In a recent survey, 10 percent of the participants rated Pepsi as being "concerned for my health."…

A: The sample proportion of people in the survey of 100 persons will be:   Here, the population…

Q: University officials hope that changes they have made have improved the retention rate. Last year, a…

A: Suppose we want to compare two populations with respect to a certain attribute. Let X1 and X2 be the…

Q: A research center claims that 31 % of adults in a certain country would travel into space on a…

A: The provided information is:

Q: A researcher claims that more than 50% of adults believe it is very likely that life exists on other…

A: Given that,possible chances (x)=570sample size(n)=1000success rate ( p )= x/n = 0.57success…

Q: did the team significantly improve its free throw percentage (left-tailed test)?

A: Let p1 and p2 be the two population proportions for the early home game and last home game…

Q: 14% of all Americans suffer from sleep apnea. A researcher suspects that a higher percentage of…

A: Given information- Population proportion, p = 0.14 Sample size, n = 391 Significance level, α = 0.05…

Q: In a previous Paul, 44% of adults and children under the age of 18 reported that their family eat…

A: State the hypotheses.

Q: It has been reported that 60% of the adult population participate in computer hobbies during their…

A: Given : It has been reported that 60% of the adult population participate in computer hobbies during…

Q: a national survey was initiated and intended to capture the prevalence of HIV in the post-HAART…

A: Given: Sample Sizen=1483 Sample Proportionp^=2411483 Thus p^=0.162508 The standard error is given…

Q: showed that 64 were on time. An SRS of 100 flights by Happy Airlines showed that 80 were on time.…

A:

Q: It has been claimed that at UCLA 43% of all students live on campus. Researcher Ebony Robinson…

A: Given X=112 n=250

Q: The table to the right classifies a​ stock's price change as​ up, down, or no change for both​…

A:

Q: In September 2005, 33% of adult Americans believed in haunted houses. In a poll conducted in June…

A:

Q: 19% of all college students volunteer their time. Is the percentage of college students who are…

A: a) Checking the conditions for normal approximation: Normal approximation can be used when np>5…

Q: Data from the Department of Motor Vehicles indicate that 80% of all licensed drivers are older than…

A: From the provided information, Sample size (n) = 50 32 were older than 25 years and the other 18…

Q: Any athlete who fails the Enormous State University's women's soccer fitness test is automatically…

A: There are two scenario: 52% of athletes fit enough to play on the team would fail the soccer test,…

Q: It has been found that 27.6% of men (Group 1) 20 years and older suffer from hypertension (high…

A: Solution:- from given information sample size n1=169 n2=169 x1=39 x2=54 α=0.05 claim: A higher…

Q: An article in Fortune (September 21, 1992) claimed that nearly one-half of all engineering continue…

A: 1) The population proportion p is 0.50. The null and alternative hypotheses are given below. Z-test…

Q: A 2018 poll of 2214 randomly selected U.S. adults found that 45.62% planned to watch at least a…

A:

Q: A magizine claimed that more than 55% of adults skip breakfast at least 3 days a week. To test this,…

A: Sample size n =80 Favorable cases x =45 Sample proportion p^=x/n  =45/80 =0.5625

Q: The president of a local college reported that more than 25% of the students received a…

A: Solution: State the hypotheses Null hypothesis: That is, proportion of the students have…

Q: A sample from a normal population with u=50 and o =6 has a mean of M =48.20.If the sample mean…

A: Given,mean(μ)=50standard deviation(σ)=6sample mean(M)=48.20z-score =-1.50

Q: Need help, please.

A:

Q: About 1.5 in a 1000 of those in a particular population are diseased. A diagnostic test is touted as…

A: The given probabilities are: P(D) = (1.5/1000) = 0.0015 P(+|D) = 0.99 Pr(−|not D) = 0.99

Q: Recent results suggest that children with ADHD tend to watch more TV than children who are not…

A:

Q: A study was conducted using undergraduates at a urban university who volunteered to participate in…

A: Note: " Since you have posted many sub-parts. we will solve the first three sub-parts for you. To…

Q: The 2006 Statistical Abstract of the United States reports on a survey that asked a national sample…

A: Given that  Sample size (n) = 80000 Suppose  that one-third of all American households own a pet…

Q: Any athlete who fails the Enormous State University's women's soccer fitness test is automatically…

A: Let's assume,  F = athlete fit enough to play F'= athlete is unfit. P = athlete passes the test…

Q: A research center claims that at least 27% of adults in a certain country think that their taxes…

A:

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: We have given thatp0 = 0.34n = 113x = 52Significance level () = 0.05

Q: 31. 86% of women shave their legs. A cosmetologist thinks this is lower in Europe.  A sample of 335…

A:

Q: Regardless of age, about 20% of American adults participate in fitness activities at least twice a…

A: The provided information is  n=100x=15α=0.05The proportion is p^=xn=15100=0.15a.The null and…

Q: Dioxin Researchers have linked an increase in the inci-dence of breast cancer in Italy to dioxin…

A:

Q: In a sample of 202 men, 77 said they used seat belts. In a sample of 311 women, 84 said they used…

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.