27.4% of males and 22.8% of females never eat breakfast. Suppose that random samples of 200 men and 200 women are drawn. What is the probability that no more than 108 of these 400 people never eat breakfast?

Q: 30% of the firm's orders are from first time customers. Consider random sample of 84 orders. Find…

A: Given,n=84p=0.30

Q: Suppose a basketball player makes 56.1% of shots and that the probabilty of making each shot is…

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 a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

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: 2. In a factory that produces pieces of ready-made concrete, if the percentage of producing…

A: Given,n=5p=0.6q=1-p=1-0.6=0.4X=no.of defective piecesX~Binomial (n=5 , p=0.6)P(X=x)=nx px qn-x    ;…

Q: aple of fifty college students, what is the probability that at least forty of them participate in a…

A:

Q: In one study of calls to 911 in Los Angeles, it was found that 85% of the calls were not…

A: Solution: From the given information, the proportion of the calls were not emergencies is p=0.85 and…

Q: 8. 30% of the total of 150 students in a grade 12 class are going to prom. If 46 students are…

A: To solve this problem, we can use the hypergeometric distribution, which is ideal for scenarios…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: Of 500 employees at a university, 45% are female. A sample size of 60 employees is chosen at random.…

A: Note: Use the finite correction factor if n/N is greater than 0.05. Therefore, the Finite…

Q: Suppose the first generation Apple iPad has 5% chance of being defective. What is the probability…

A: From the provided information, Apple iPad has 5% chance of being defective that is p = 0.05 Sample…

Q: On average, 5.5 shoplifting incidents occur per week at an electronics store.  What is the…

A: Poisson Distribution :  A Poisson distribution is a discrete probability distribution that applies…

Q: The probability of a radar station detecting an enemy plane is 0.55. If 60 stations are in use, what…

A: The binomial distribution is given by,   P(X=x) = Cxn . px . qn-x ; x = 0, 1, 2, ....…

Q: A recent study suggested that 70% of all eligible voters will vote in the next presidential…

A: Given Information: 70% of all eligible voters will vote in the next presidential election i.e., p =…

Q: A survey showed that 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their…

A: 82% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. 19 adults…

Q: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…

A:

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

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: 5. A study indicates that 4% of American teenagers have tattoos. You randomly sample 30 teenagers.…

A: The binomial distribution probability is:P(X=x)=nCx​px(q)n−xwhere ::: x represents the total number…

Q: About 7% of employed adults in the United States held multiple jobs. A random sample of 71 employed…

A: Checking condition: Let p denote the probability of success which is 0.07 and the sample selected…

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: Given, About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults…

Q: A study of 180 randomly selected American Airlines flights showed that 68 arrived late. What is the…

A: No. of American flights =180 No. of american flights arrived late=68

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A:

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: 58% of all violent felons in the prison system are repeat offenders. If 43 violent felons are…

A: Here Normal approximation to binomial dist. is applicable  as np and nq are greater than 10

Q: Atlantic Airways flights were late (arrived or departed 15 minutes late or more). A random sample of…

A: We have given that  Number of trials n=140 Success of probability p =20.4%=0.204 We use normal…

Q: A coach claims that no more than 1/4 of undergrad students will attend football games. What is the…

A: Central limit theorem: The central limit theorem states that the sampling distribution of the sample…

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

A:

Q: manufacturer of aspirin claims that the proportion of headache sufferers who get relief with their…

A: Given data,Probability of success is p=63.8%=0.638If n=430P(X<58.4%)=?

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

Q: Suppose that 25% of fire alarms in a large city are false alarms. Approximate the probability that,…

A: Given that, Probability = 25% = 0.25 Sample size = 100

Q: A new surgery is successful 80% of the time. If the results of 6 surgeries are randomly sampled,…

A: