In a survey of 1348 ​people, 872 people said they voted in a recent presidential election. Voting records show that 62​% of eligible voters actually did vote. Given that 62​% of eligible voters actually did​ vote, (a) find the probability that among 1348 randomly selected​ voters, at least 872 actually did vote.​

Q: Suppose that you sampled 2 CEOs with replacement instead. How many different samples are possible,…

A: Sampling is a process which is used in statistical analysis. In sampling a predetermined number of…

Q: According to a study by Oxford University, 75% of all Brits can do routine computations. If an…

A: p = 0.75 n = 11

Q: In 2014, approximately 13% of nonelderly Americans adults had no health insurance. Suppose that a…

A: Given: Proportion of American adults having no health insurance, p=0.13 Sample size, n=400

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Let "X" be the voters who are independent. I will use excel formula "=BINOM.DIST(x, n, p, FALSE)"…

Q: A credit card company has a 0.01 default rate on its accounts. If 20 randomly selected accounts are…

A: Given information:A credit card company has a 0.01 default rate on its accounts. 20 randomly…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 5 times. Use some…

A:

Q: A manufacturing machine has a 6% defect rate. If 9 items are chosen at random, what is the…

A:

Q: Assume that when human resource managers are randomly​ selected, ​41% say job applicants should…

A:

Q: In a study of blood donors, 125 were classified as group O and 195 had a classification other than…

A: The objective of this question is to find the probability that a blood donor will have group O…

Q: It is commonly believed that 10% of Americans are left-handed. Find the probability that in a random…

A: Givenpercentage of Americans left handed = 10%Let proportion of Americans left handed be p = 0.10The…

Q: Suppose that a company owns 400 computers. Each computer has an 11% probability of not working.…

A: Obtain the probability that at least 17 computers are in good condition The probability that at…

Q: Based on a​ poll, 40​% of adults believe in reincarnation. Assume that 5 adults are randomly​…

A: Given that :  40​% of adults believe in reincarnation. i.e. p = 40% = 0.40 Sample size (n)  X…

Q: According to a national​ study, 32​% of taxpayers used computer software to do their taxes for a…

A: From the given information, 32​% of taxpayers used computer software to do their taxes for a certain…

Q: In a survey of 1065 people, 797 people said they voted in a recent presidential election. Voting…

A:

Q: A poll is given, showing 20% are in favor of a new building project. If 8 people are chosen at…

A:

Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…

A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…

Q: uppose that in a certain community, 80% of drivers fasten their seat belt. Determine the probability…

A: Solution: Let X be the random variable that the number of drivers fasten their seat belt in certain…

Q: According to one study conducted at the University of Texas, 70% of all Americans can do routine…

A: p = 0.7 n = 8

Q: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

A: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

Q: n the toal US population, it is believed that only 12% of adults are lactose intolerant. if 200 US…

A: In this case, each considered US adult has the only options of being "lactose intolerant" (defined…

Q: According to a recent​ study, 64​% of households from a certain large region no longer have a…

A: The random variable cell phone service follows binomial distribution. The value of the proportion is…

Q: In a survey of 1482 people, 929 people said they voted in a recent presidential election. Voting…

A: It is given that the sample size n is 1,482 and x is 929.

Q: In a certain college, 20% of the physics majors belong to ethnic minorities.  If 10 students…

A: Given information- We have given a problem of the binomial distribution. Probability of the physics…

Q: In a survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A:

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

Q: A poll is given, showing 55% are in favor of a new building project. If 8 people are chosen at…

A: Given,n=8p=0.55X=no.of people favor the new building projectX~Binomial (n=8 , p=0.55)P(X=x)=nx px…

Q: Assume that when adults with smartphones are randomly​ selected, 58 ​% use them in meetings or…

A: Given that adults with smartphones are randomly​ selected, 58 ​% use them in meetings or classes.…

Q: Suppose that 68% of people are left handed. If 24 people are selected at random, what is the…

A: Here, probability that the people are left handed is 0.68 and sample size 'n' is 24.

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: The data related to cell phone users is given.

Q: Based on a poll, 60% of adults believe in reincarnation. Assume that 8 adults are randomly selected…

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.