Coronary bypass surgery: A healthcare agency reported that 54% of people who had coronary bypass surgery in 2008 were over the age of 65. Sixteen coronary bypass patients are sampled. (a)What is the probability that exactly 10 of them are over the age of 65? (b)What is the probability that more than 11 are over the age of 65? (c)What is the probability that fewer than 7 are over the age of 65?

Q: Adult Americans were asked if they felt that food packaging labels were truthful. Sixty-seven…

A: GIVEN DATA P( felt that food packaging labels were truthful) = p = 0.67 sample size (n) = 90 x = no.…

Q: (c)What is the probability that fewer than  10  enroll in college?   The probability that fewer…

A: From Given original  question ,  A national college researcher reported that 65% of students who…

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: 6. Question: In a large city, 72% of the people are known to own a cell phone, 38% are known to own…

A:

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

A:

Q: A credit card company has a 0.01 default rate on its accounts. If 20 randomly selected accounts are…

A: Given information:A credit card company has a 0.01 default rate on its accounts. 20 randomly…

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: One day, 17 cars were parked at H Tower. a. What is the probability that there are 10 or less cars…

A:

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: A surgical technique is performed on 10 patients. You are ance of success. Find the probability that…

A: Given data,Total no of patients n=10Chance of success is p=70%=0.70

Q: Only 4% of people have type AB blood. a. On average, how many donors must be checked to find someone…

A: If each trial has only two possible outcomes, that is, success and failure, the probabilities of…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: What is the probability of selecting one person at random who is a smoker?

A: From the provided information, Total person = 100 Number of persons who smoke = 54

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: What is the probability that 8 adults selected at random from the town all have health insurance? G

A: It is given that the random variable X i.e, health insurance follows Binomial distribution with…

Q: Suppose that 9% of college undergraduates suffer from a psychological disorder. What is the…

A: Let p be the probability that an undergraduate has a psychological disorder. Given that p = 0.09 Let…

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: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

A: 15% of adults in the United States do not make New Year's resolutions. Suppose a random sample of…

Q: 15. About 8% of males are color-blind. A researcher needs a color-blind male for an experiment and…

A: Given that Probability of males whose color -blind (p) = 0.08 (8%) a) Probability that She finds a…

Q: What is the probability that the person is less than 19 years old? What is the probability that the…

A: Given Information: Age group No. of people Under 10 257 10 to 18 460 19 to 30 175 more…

Q: In Toronto, Canada, 55% of people pass the drivers' road test. suppose that 100 people take the…

A:

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: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

A: Suppose the prevalence of type II diabetes in a community is 36%. Researchers want to sample 16…

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 survey of athletes at a high school is conducted, and the following facts are discovered: 25% of…

A: Solution: Let A be the event that the athlete is football player and B be the event that the athlete…

Q: Supposed that Stephen is the quality control supervisor for a food distribution company.  A shipment…

A: We have given that  Success of probability p =13%=0.13 Number of trials n=10 X~binomial ( n ,p)

Q: At Denver international airport, 81% of recent flights have arrived on time. A sample of 12 flights…

A:

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 30% of…

A: Let A denote the event that athletes are play football Let B denote the event that athletes are play…

Q: According to the Federal Communications Commission, 70% of all U.S. households are using video…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15 , p=0.7)P(X=x)=Cx(0.7)x(0.3)15-x       ;…

Q: According to a recent census, about 63% of Manitoba residents live in cities with a population of…

A: (a) Let X be the number of people live in cities which follows binomial distribution with sample…

Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

A:

Q: Eleven of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is…

A: The number of defective video recorders is 11.

Q: A flu test shows that about 31% of all patients visited the hospital. Suppose that 90 patients…

A:

Q: A survey of U.S. adults ages 18-29 found that 92% use the internet. You randomly select 100 adults…

A: Given that:Success probability, p = 0.92Sample size, n = 100

Q: 80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in…

A: Given,         Pspeeding ticket=0.80         Paccident while behind the wheel=0.55

Q: What is the probability that a randomly selected participant tasted apples and preferred…

A: Followings are the Explanation of the question 1) Probability is ratio of Number of favorable cases…