10.A hotel claims that 50% of its customers are very satisfied with its service.  Answer the following questions based on a random sample of ten customers: What is the probability that exactly five customers are very satisfied? What is the probability that more than six customers are very satisfied? What is the probability that less than four customers are very satisfied?

Q: An individual has 30% probability of making a half-court shot independent of other shots taken.…

A: Given: n =    4 p =   0.3

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

A:

Q: It was revealed that in New York 8% of all automobiles in the state did not pass inspection. Of the…

A: 1. Suppose a random variable X, defines that the number of automobiles in the state that did not…

Q: What is the probability a car with an alarm system had a CD player?

A: Define some events A : car had CD player. B : car had alarm system. Given that P(A) = 0.64, P(B) =…

Q: A leading large college recently reported that 40.5% of its student body had concerns about the…

A:

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 bank is interested in studying the number of people who use the ATM located outside its office…

A: Average=1.6 customer X~Pois( average=1.6) for 10 minutes interval

Q: About 20% of those called for jury duty will find an excuse to avoid it. If 10 are called for jury…

A:

Q: Forty percent of students at small colleges have brought their own personal computers to campus. A…

A: Given data: P = 0.40 Sample size (n) = 120

Q: A university claims that 70% of its athletes earn a degree.  Suppose that the records of 100…

A: 70% of the athletes earn a degree. 100 athletes are chosen at random. Define the Random Variable, X…

Q: ontribute to household expenses. 23% of them contribute. a.      What is the probability that at…

A: NOTE:  As per the guidelines, we are supposed to solve the first three sub parts only. Given:…

Q: A new drug is being tested that causes a serious side effect in 5 out of 20 patients. Fifteen…

A:

Q: 2. Mary Peterson works at a local bank. She finds that sixty percent of all loan request received…

A:

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

A:

Q: 7) According to the American Academy of Ophthalmology, there is a 9% chance that someone will have…

A: Geometric Distribution: Let there is a sequence of trials, each having two outcomes, say Success and…

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: 4. A local florist says that 85% of all flowers sold for Valentine's Day are roses. Consider a…

A: probability of florist says that flowers sold for valentine's day are roses(p)=0.85sample…

Q: 11. In a survey of high school students, 288 students indicated that they played organized sports…

A: Step 1:To find the probability that a randomly selected student indicated they played organized…

Q: 6. Based on U.S. Bureau of Justice data, 16% of those arrested in the U.S.A. are women. In one state…

A: Given, p = 0.16 sample  size n = 400 Mean E(x) = np = 0.16 *400 = 64 Standard deviation σ =…

Q: A hospital finds that 25% of its accounts are at least 1 month in arrears. A random sample of 450…

A: Let us denote: X=the number of accounts that were at least 1 month in arrearsGiven that n=sample…

Q: 20.  In a large shipping company, 70% of packages arrive to their destination on time.  If 9…

A: Solution Let X : packages arrive to their destination on time  And X ~ Binomial (n=9, p=0.70) Ans we…

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: In the first quarter of the year a company's records show 63.5% of its employees missed no work,…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: A fuel company conducts a geologic survey, that has a 20% chance of striking an oil reserve. What is…

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: 2. According to the BTS Organization, 53% of adult Filipinos are in favor of the death penalty for…

A:

Q: In a recent survey, it was found that the median income of families in country A was $58,000. What…

A: Let X denote the income of families in country A. Given that median of X is 58000

Q: 20. Suppose that 21% of people own dogs. If you pick two people at random, what is the probability…

A: Given,The probability people own dogs is 0.21

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

A:

Q: Lactose intolerance affects about 20% of non-Hispanic white Americans. If a person is selected from…

A: Solution: 2. From the given information, Lactose intolerance effects about 20% of non-Hispanic white…

Q: 3. A committee is composed 30% of females and 60% of administrators. Among the administrators, 10%…

A: Given,P(females)=0.30P(administrators)=0.60

Q: It has been reported that 50% of college students graduate in six years. Consider a random sample of…

A:

Q: 3. A quality engineer exams a batch of manufactured parts. Each part has a probability of 0.9 to…

A: Let us denote pass as success(S) and fail as (F), thenP(S) = 0.9 =p and P(F) =0.1 =(1-p)Let X be the…

Q: it is estimated that 4800 of the 24,000 voting residents of a town are against a new sales tax. If…

A: Given: Number of residents against a new sales tax (x)= 4800 Total voting residents (N)=24000

Q: According to a government statistical organization, the unemployment rate for workers aged 19 to 25…

A: The answer is attached below.

Q: 18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that…

A: Given:n = 200,p = 0.81

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.