According to a survey, 22.8% of credit-card-holding families in a certain area hardly ever pay off the balance. Suppose random sample of 29 credit-card-holding families is taken. Find the probability that at least 4 families hardly ever pay off the balance. THE The probability that at least 4 families hardly ever pay off the balance is (Round to four decimal places as needed.)

Q: A research institute reports that 73% of workers reported that they and/or their spouse had saved…

A: From the information, given thatLet X denotes the number of workers and their spouses have saved…

Q: In a recent study nationwide, it was found that 41% of people own dogs. If you pick two people at…

A: Given that  It was found that 41% of people own dogs. P(Dog) = 41% = 0.41   We know that…

Q: According to a​ survey, 22.9​% of​ credit-card-holding families in a certain area hardly ever pay…

A: given data  P(hardly ever pay off the balance) = p = 0.229 sample size (n) = 20 x = no. of families…

Q: It is known that a certain basketball player will successfully make a free throw 90.71% of the time.…

A: From the given information,P = 90.71%= 0.9071So, q = 1- P = 1-0.9071 = 0.0929n = 11we have to find…

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

A:

Q: According to a​ survey, 20.8​% of​ credit-card-holding families in a certain area hardly ever pay…

A: Suppose a random variable x, defines that the number of families those hardly ever pay off the…

Q: Consider the probability that ta least 25 out of a sample of 1200 people will use the emergency room…

A: Given the large sample size and the binary nature of the outcome (either a person uses the emergency…

Q: Find the empirical probability of flipping a coin 10 times

A: We need to find the emperical probability of flipping a coin 10 times Emperical probability is…

Q: In a recent study nationwide, it was found that 51% of people lost their keys in the past year. If…

A:

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: Assume that when human resource managers are randomly​ selected, 51% say job applicants should…

A:

Q: Planet X has 73 calendar days. What is the probability that in a room with 11 inhabitants of Planet…

A: To solve this, we can first calculate the probability that none of the 11 inhabitants share a…

Q: Based on a​ poll, among adults who regret getting​ tattoos, ​17% say that they were too young when…

A:

Q: If an average of 40 calls is required in a typical eight hour shift, what is the probability that…

A: Given that an average of 40 calls is required in a typical eight hour shift.

Q: In a recent study nationwide, it was found that 52% of people like college football better than…

A: Answer: Given that: p= 0.52 , n= 2 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: A market research organization surveyed 102 people and found that 73 of them would like more…

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: 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: Suppose a large consignment of televisions contained 11% defectives. If a sample of size 237 is…

A:

Q: According to a study, suppose the probability that a randomly selected child aged 8–12 spends more…

A: p=0.67n=5

Q: what is the probability more than half of the sampled students are working full time?

A: Assume sixty percent of all NKU students work full time. If a random sample of 70 NKUstudents is…

Q: Based on a USA today poll, assume that 10% of the population believes that the college is no longer…

A: Solution: Let X be the number of people believes that the college is no longer a good investment and…

Q: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

A: Given that Simple random sample size (n) = 26 Population size  = 12,550 Undergraduate students make…

Q: According to an American Laser Centers survey, 32% of adult men said that their stomach is the least…

A:

Q: probability of rolling a sum less than 44

A: Probability : It is the chance of occurrence of an event. Probability of any event lies between 0 to…