A survey of all medium- and large-sized corporations showed that 67% of them offer retirement plans to their Let be the proportion in a random sample of 50 such corporations that offer retirement plans to their emplo probability that the value of will be greater than 0.8. Round your answer to four decimal places. Pp > 0.8) = i

Q: Suppose the probability of getting an "A" in a certain class is 0.22. A group of 5 friends is taking…

A: Here we want to Determine the probability that none of the friends earn an "A" in the class.

Q: z-score will be between 0.7 and 1.4

A: Z-Score: It is a numerical measurement that describes a value's relationship to the mean of a group…

Q: A group of people were asked if they had run a red light in the last year. 206 responded "yes", and…

A:

Q: At a drug rehab center 41% experience depression and 25% experience weight gain. 14% experience…

A: Given Information: 41% experience depression.  25% experience weight gain 14% experience both. Let D…

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

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 machine produces a defective item 8 % of the time.  A customer purchases a box of 60 of these…

A: Solution :  Given : p= 0.08             n = 60  Let, X : Number of defective items Here X ~ B (…

Q: Suppose the time a child spends waiting at for the bus as a school bus stop is exponentially…

A:

Q: A group of people were asked if they had run a red light in the last year. 239 responded "yes", and…

A: Given,number of people responded yes = 239number of people responded no = 178total number of people…

Q: Suppose that on the average, 77 students enrolled in a small liberal arts college have their…

A: Answer:- Given , The average number of  students enrolled in a small liberal arts college have their…

Q: The reported cancer rates for men ages 65 and older is 23%.  Assume this estimate is the true…

A: The random variable cancer rate follows binomial distribution. The population proportion is 0.23.…

Q: uppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the…

A: p =0.72 n = 150 z-critical value at 0.75 = 0.6745

Q: Suppose that the probability an archer will hit a target is 0.80 and that each shot is independent.…

A: It is given that the probability an archer will hit a target is 0.80 and that each shot is…

Q: A horse race has 11 entries and one person owns 2 of those horses. Assuming that there are no ties,…

A: Probability measures the chance of occurrence one favourable events out of all possible events.…

Q: Assume that when adults with smartphones are randomly selected, 53% use them in meetings or classes.…

A:

Q: iphones are randomly selected, 3476 use them meetings or classes. I To aduk smarphone users are…

A: Let X denotes the number of adults who use their smartphones in meetings or classes. Given that 10…

Q: Cal Poly Pomona found that 15% of its students withdraw without completing Calculus I course. Assume…

A: Given P(success)=0.15 q=0.85 n=30