According to a poll of​ adults, about 4848​% work during their summer vacation. Assume that the true proportion of all adults that work during summer vacation is p=0.480 Now consider a random sample of 600 adults. What is the probability that between 44​% and 52​% of the sampled adults work during summer​ vacation?

Q: What is the probability that six or more adults from this sample were between 25 and 34 years​ old?

A: Given that  n = 9 , p = 25% = 0.25 , q = 1 - p = 1 - 0.25 = 0.75 X ~ Binomial (n = 9 , p = 0.25) X =…

Q: Find the probability of getting 2 to 5 diamonds using normal distribution.

A:

Q: Historically, the final exam for an introductory statistics course has had a 75% pass rate. Suppose…

A: From the provided information,p = 0.75n = 250

Q: According to the National Center for Education Statistics, 17% of all people in the United States,…

A:

Q: What is the probability that fewer than three adults from this sample were between 25 and 34 years​…

A: Given that

Q: What is the probability that the sampling error would be less than or more than 1.5 seconds

A: Given:mean µ = 30standard deviation σ= 2sample size n = 16 Let x̄ represent the sample mean time,…

Q: Based on historical data, your manager believes that 44% of the company's orders come from…

A: Obtain the probability that the sample proportion is between 0.22 and 0.33.   The probability that…

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: a. What is the probability that between 65% and 80% of the sampled students support the university…

A: As part of a course project, a student gathers data on a university campus. The data are related to…

Q: A recent survey of 1050 U.S. adults selected at random showed that 625 consider the occupation of…

A: Out of 1050 randomly selected US adults, 625 consider the occupation of firefighter to to have very…

Q: According to estimates, 0.3 percent of residents in a given city own dogs. Calculate the likelihood…

A: The question is about discrete prob. distribution Given : Prob. that residents in a city own a dog (…

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A: Solution: Let X be the average monthly grocery bill for an individual is normally distributed with…

Q: The Statistical Bulletin reports that 22.5% of the households in the country are inhabited by one…

A: See below hand written answer: hgyukj

Q: The Statistical Abstract of the United States reported that 18.2% of students whose post secondary…

A: Let X be the number of students whose post secondary degrees were health professions and related…

Q: It is known that 20% of people ride public transport without paying for it. We talk to 68 people who…

A: From the provided information, 20% of people ride public transport without paying for it that is…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. Use…

A:

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: the duration of a professor's class has a uniform distribution between 50.0 minutes and 52.0…

A: It is given that the duration of the professor’s class follows U(50,52).

Q: etter than those without cats? To help answer this question, a cat enthusiast obtained a random…

A: Do you have a Cat? Yes No How well do you sleep? Good Neutral Bad     Good…

Q: If the chance of suffering from occupatinal hazards is 25%, what is the probability that out of…

A:

Q: Given a normal population with mean = 39 and variance = 16, what is the probability of obtaining an…

A:

Q: 9. Sixty percent of all road accidents are due to distracted driving. In a random sample of 400…

A:

Q: Traditionally, about 70% of students in a particular statistics course at ECC are successful.…

A: given data P(successful in statistics course) = p = 0.70sample size (n) = 20X = no. of students…

Q: cars fail emissions inspection. ABSume that thế Pesu an emissions control center, 1375 a. What is…

A: The probability that first inspection failure will be observed at the 6th position.    Probability =…

Q: In 2016, more than 200,000 students took the AP® Statistics exam. Of these students, 14% earned the…

A: From the provided information, 14% earned the highest score of 5 that is p = 0.14 Sample size (n) =…

Q: 2.Sonic Technology sells a mobile phone at an average rate of 1 per day. Estimate the probability…

A: It is given that Sonic Technology sells a mobile phone at an average rate of 1 per day.

Q: If 25% of boys born weigh over 20 lbs and a sample of 150 was taken what are the odds that 35 or…

A:

Q: In a family of five children, what is the chance that there are

A: Given information: The family of five children. P(boy)=P(girl)=1/2.

Q: Based on historical data, your manager believes that 34% of the company's orders come from…

A:

Q: An economics professional body estimates that 80% of the students taking undergraduate economics…

A:

Q: It is known that 19% of people ride public transport without paying for it. We talk to 82 people who…

A:

Q: Based on historical data, your manager believes that 33% of the company's orders come from…

A: Given that, p=33%=0.33 n=106

Q: When a sample contains 100 or more cases, what is the correct probability distribution to use?

A: Given: When a sample contains 100 or more cases, what is the correct probability distribution to…

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.