a survey of 1127 ​people, 720 people said they voted in a recent presidential election. Voting records show that 61​% of eligible voters actually did vote. Given that 61​% of eligible voters actually did​ vote, (a) find the probability that among 1127 randomly selected​ voters, at least 720 actually did vote.​ (b) What do the results from part​ (a) suggest? ​(a) ​P(X≥720​)=nothing

Q: na survey of 1313 people, 873 people said they voted in a recent presidential election. Voting…

A: The mean is computed as: The standard deviation is computed as:

Q: In a survey of 1329 people. 948 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1390 people, 1034 people said they voted in a recent presidential election. Voting…

A: (a) The probability that among 1390 randomly selected​ voters, at least 1034 actually did vote is…

Q: In a sample of 900 U.S. adults, 212 think that most celebrities are good role models. Two U.S.…

A: We have given that Sample of 900 U.S adults  212 think that most celebrety are good role model

Q: 43​% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults.…

A: (a)   Obtain the probability that the number of U.S. adults who have very little confidence in…

Q: In a survey of 1295 people, 905 people said they voted in a recent presidential election. Voting…

A: Given data in a survey of 1295 people 905 said that they voted voting records show that 67% of…

Q: A person takes a multiple-choice exam in which each question has five possible answers. Suppose that…

A: Since you have done the part a-d correctly, so I will show #e. We first make a probability…

Q: In San Francisco, 20% of workers take public transportation daily (USA Today, December 21, 2005). In…

A: we are going to find P(X = 3)By binomial distribution

Q: In a survey of 1030 ​people, 653 people said they voted in a recent presidential election. Voting…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: In a survey of 1402 ​people, 965 people said they voted in a recent presidential election. Voting…

A: The given scenario follows binomial distribution as the sample size is large, np and nq are also…

Q: In a survey of 1382 people, 902 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1485 people, 973 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1206 people, 758 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1225 people, 893 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1393 ​people, 945 people said they voted in a recent presidential election. Voting…

A: Given,Sample size, n = 139365% of eligible voters actually did vote. That is, probability of success…

Q: In a survey of 1104 people, 807 people said they voted in a recent presidential election. Voting…

A: We have given that  Sample size n=1104 ,success of probability p=70%=0.70

Q: A simple random sample is taken of 1,250 students at UC Berkeley. These students are surveyed about…

A: Given information: A simple random sample of 1250 students are at UC Berkeley. Among 1250 students,…

Q: n a survey of 1119 ​people,805 people said they voted in a recent presidential election. Voting…

A: a) Given that, total number of people =1119

Q: In a computer instant messaging survey, respondents were asked to choose the most fun way to flirt,…

A: GivenP(D) = 0.750where D is directly in person

Q: Find the probability that the number of U.S. adults who have very little confidence in newspapers…

A:

Q: According to studies, 3% of all patients who undergo a laser surgery (i.e. LASIK) to correct their…

A: Given information: A random sample of n = 100000 LASIK patients is considered. The probability of…

Q: In a sample of 1000 U.S. adults, 213 think that most celebrities are good role models. Two U.S.…

A: Given that: Sample size, n=1000 Number of US adults think most celebrities are good role models =…

Q: In 80-year-olds, only two percent APOE4 homozygous in the population, but twelve percent APOE4…

A: It is given that 2% of 80 yr old population are APOE4 homozygous so PH=0.02 It is also given that…

Q: In testing a new drug, researchers found that 5% of all patients using it will have a mild side…

A:

Q: In a survey of 1293 people, 953 people said they voted in a recent presidential election. Voting…

A: Given Data sample size,n= 1293 probability of success,p= 0.71 probability of…

Q: P is used to represent the level of significance O population proportion O probability of Ho…

A: Population proportion is denoted P Level of significance is denoted by α

Q: In a survey of 1178 people, 888 people said they voted in a recent presidential election. Voting…

A: Given: n = 1178 p = 0.73 q = 1-p = 0.27 Solution: We can use Normal approximation to binomial…

Q: 12 In a survey of 1466 ​people, 1103 people said they voted in a recent presidential election.…

A: From the given information we find probability

Q: In a survey of 1461 ​people, 976 people said they voted in a recent presidential election. Voting…

A: Given Information: Sample size n=1461 Out of which x=976 people said they voted in a recent…

Q: 62% of us adults have little in newspapers .you randomly select 10 us adults .find the probability…

A: Let "x"  be the number of us adults who have very little confidence in newspapers. I will use…

Q: In a survey of 1136 people, 848 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1333 people, 1019 people said they voted in a recent presidential election. Voting…

A: (a) The mean is, μ=np=1333×0.74=986.42 The standard deviation is, σ=np1-p=1333×0.74×1-0.74=16.0147…

Q: In a survey of 1048 ​people, 729 people said they voted in a recent presidential election. Voting…

A: Given proportion of eligible voters did vote = p = 0.67.In a survey of 1048 people 729 people said…

Q: In a survey of 1052 people, 758 people said they voted in a recent presidential election. Voting…

A: It is given that there are 1052 eligible voters (n), where they are randomly selected. Therefore,…

Q: In a survey of 1419 people, 887 people said they voted in a recent presidential election. Voting…

A:

Q: In a survey of 1476 people, 1066 people said they voted in a recent presidential election. Voting…

A: Given :  In a survey of 1476 people , 1066 people said they voted in a recent presidential election.…

Q: In a survey of 1041 people, 795 people said they voted in a recent presidential election. Voting…

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.