Based on a Comcast survey, there is a 0.8 probability that a randomly selected adult will watch prime-time TV live, instead of online, on DVR, etc. Assume that seven adults are randomly selected. Find the probability that fewer than three of the selected adults watch prime-time live. OA. 0.00430 OB. 0.000358 OC. 0.0512 O D. 0.00467

Q: A campus student club distributed material about membership to new students attending an orientation…

A: Let M be the men, W be the women, And J be the they joins the club. We have given information with…

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: 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: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: given data  P(have resistance to vancomycin) = 0.03resistance to vancomycin means not succesfully…

Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…

A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Number of diamond cards = 13 Number of heart = 13 P(selecting a diamond) = 1/13

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: A study showed that 64.5​% of occupants involved in a fatal car crash wore seat belts. Of those in…

A: Solution: Let A be the event that  occupants involved in a fatal car crash wore seat belts. P( A)=…

Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…

A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…

Q: An assembly line machine produces a defective widget 23% of time,the rest of the time it produces a…

A: Here, n = 21 and p = 0.23.

Q: An automated assembly line produces 43,500 parts per duty cycle. The probability that a randomly…

A:

Q: 16 of the 200 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: Given that, 16 of the 200 digital video recorders​  (DVRs) in an inventory are known to be…

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

A:

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

A:

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: According to a recent study, 1 in 7 women has been a victim of domestic abuse at some point in her…

A: Solution: Let X be the random variable that the number of women  has been a victim of domestic abuse…

Q: A farmer said that 2/3 of his apple trees were attacked by fruit flies. If the inspection is carried…

A:

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 39​% use them in meetings or…

A:

Q: A company's human resources department reported that employees filed 3,700 complaints. For this…

A: Number of trials= n=34Find The probability that 2 or fewer complaints will be actionable

Q: Based on a​ poll, among adults who regret getting​ tattoos, 23% say that they were too young when…

A: Givenp=0.23n=10x~Binomial(n=10,p=0.23)P(X=x)=(nx)×px×(1-p)n-x     ; x=0,1,...,n

Q: A manufacturing company has 10 machines in continuous operation during a workday. The probability…

A: The pmf of the binomial distribution is as follows: Binomial distribution: P(X) = nCx px qn-x P(a…

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: find the probability that exactly 22 of them use their smartphones in meetings or classes.

A: It is given that the number of observations are independent with probability of success p = 42% =…

Q: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…

A: We have to find given probability..

Q: A 4-digit PIN is selected. What is the probability that there is exactly one repeated digit and that…

A: In a 4 digit pin each of the positions can be filled with one of the 10 digits. Therefore one…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: Given  n=sample size=18, q be the probability of successful treatment q=3%

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A:

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Binomial distribution describes the possible number of events occurs in fixed number of trials.…