Stress at work: In a poll about work, 73% of respondents sald that their jobs were sometimes or always stressful. Twelve workers are chosen at random. Round the answers to four decimal places. Part 1 of 4 (a) What is the probability that exactily 11 of them find their jobs stressful? The probability that exactly 11 of them find their jobs stressful is Part 2 of 4 (b) What is the probability that more than 9 find their jobs stressful? The probablity that more than 9 find their jobs stressful is Part 3 of 4 (c) What is the probability that fewer than 6 find their jobs stressful? The probability that fewer than 6 find their jJobs stressful is

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: Coronary bypass surgery: A healthcare research agency reported that 61% of people who had coronary…

A: (a) Let X be the number of patients are over the age of 65 which follows binomial distribution with…

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: A surprise gift bag contains assorted cosmetic items including 2 lipstick, 3 lip-glosses, 2…

A: From a large sample of set, the number of possible sample taken is calculate using combination. The…

Q: A certain math conference has 9825 attendees.  Of these individuals, 5668 are college professors,…

A: Total no. of attendees in a math conference=9825of these individualsno. of college…

Q: What is the probability of choosing a number from 1 to 10 that is less than 5 or odd?

A: Solution

Q: About 8% of males are colorblind. Researcher needs the colorblind men for an experiment. What is the…

A: Given, n=9 p=8%=0.08

Q: A television station wants to know how its newest show is performing. The results of their poll of…

A: Given that,A television station wants to know how its newest show is performing.

Q: Ten patients participated in a study to see if vitamin C can prevent colds. If each patient has a…

A: It is given that 10 patients participated in a study to see if vitamin C can prevent colds. The…

Q: What is the probability of winning the first prize? What is the probability of winning the second…

A: You are at a Data Management Game Fair and decide to participate in a classmate’s letter game. To…

Q: Hospital records show that 75% of the patients will recover from a certain disease.             i.…

A: Givenp=0.75n=6x~Binomial(n=6,p=0.75)P(X=x)=Cxn px (1-p)n-x ; x=0,1,2....n

Q: College bound: A national college researcher reported that 68% of students who graduated from high…

A: I solved exactly first three subparts because of bartleby policy. if you want more please upload…

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: Experience has shown that one out of every five customers who place an order with an internet…

A:

Q: After rolling a fair twenty-sided die 200 times, the observed (or experimental) probability of…

A: A 20-sided fair die is rolled.

Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…

A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…

Q: Last week, a flower delivery business conducted a survey on customer happiness. They found that 51%…

A:

Q: In an experiment, the probability of getting the desired outcome is 0.62. What is the probability of…

A: The probability of getting the desired outcome is 0.62.

Q: Thirty-five percent of the people who own cellphones use their phones to send and receive text…

A: Formula : Binomial distribution is given by

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: In an experiment, the probability of getting the desired outcome is 0.48. What is the probability of…

A: It is given that the probability of getting the desired outcome is 0.48 We have to calculate the…

Q: n a poll about work, 68% of respondents said that their jobs were sometimes or always stressful.…

A: Given that  68% of respondents said that their jobs were sometimes or always stressful. P = 68% =…

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

A:

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: The probability that a person is smart or thirsty is 0.7. The probability that they are smart or not…

A: given data event  A : smart person           B : thirsty person

Q: Let's say that 82% of people have Type O blood.  If 3 randomly selected people donate blood, what is…

A: Givenp=0.82n=3x~Binomial(n=3,p=0.82)P(X=x)=(nx)×px×(1-p)n-x  ; x=0,1,...,n

Q: Coronary bypass surgery: A healthcare agency reported that 48% of people who had coronary bypass…

A: Total number of patients n=14Probability p=0.48q=0.52

Q: Naval intelligence reports that 8 enemy vessels in a fleet of 20 are carrying nuclear weapons. If 5…

A: The total number of vessels, N=20The number of vessels carrying nuclear weapons, K=8The number of…

Q: Naval intelligence reports that 6 enemy vessels in a fleet of 18 are carrying nuclear weapons. If 8…

A: Hyper geometric distribution: In a population with N objects, M be the number of success event. A…

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: Assume that 65% of the geology student going for the geological fieldwork study the field rock…

A:

Q: 40% of students said that orange is their favorite juice. As part of further analysis, a random…

A: Given,40% of students said that orange is their favorite juice.ie, P = 40% = 0.40Also given that,As…

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: In a poll about work, 68% of respondents said that their jobs were sometimes or always stressful.…

A:

Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

A: Probability of respondents said that their jobs were sometimes or always stressful(p)= 0.70sample…

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

A:

Q: The table shows the breakdown of 96 thousand single parents on active duty in a country's military…

A: The probability that a randomly selected single parent in the military is in the Air Force or the…

Q: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

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: In an MCQ based exam, students get 3 questions correct on average. a. What is the probability that…

A: Given Information: In an MCQ based exam, students get 3 questions correct on average. Let X denote…

Q: Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a…

A: From the given information ,P ( cellphones) = 18% = 0.180.45