Given that a person bought a hybrid vehicle, what is the probability that it was a truck?

Q: At a college reunion it was discovered that 16 percent of the people had climbed up mountain, 51…

A: event A : climbed up mountain event B : skied down from a mountain P(A) = 0.16 P(B) = 0.51 P(A∩B) =…

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: A survey reported in USA Today indicates that 65% of small business owners favor drug testing for…

A: The probability of small business owners favoring drug testing for their employees is, The sample…

Q: A pharmaceutical company claims that only 5% of patients experience nausea when they take a drug. In…

A: We have given that X be a random variable that is patients experience nausea is follow Binomial…

Q: A zoo has a collection of 400 flamingos. 180 of these flamingos are red. One day, a fence blew down…

A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: 66% of students at one college drink coffee, and 13% of people who drink coffee suffer from…

A: Given: Probability of students who drink coffee = 0.66 Probability of students who drink coffee…

Q: In a Toyota factory, 137 out of 129,000 cars have faulty brakes. If 50 cars checked at random, what…

A:

Q: You are modeling the number of goals scored in a soccer game by a particular team. On average, the…

A: Let X = goals scored in a game. The distribution is Poisson. P[X=5] = ? average is given as 2.045…

Q: It is reported that 60% of people are non-smokers. A non-smoker has a 10% chance of infected by the…

A: Given information, P(non-smoker)=60%=0.60 P(smoker)=1-0.60=0.40 P(infected| non-smoker)=0.10…

Q: A manufacturer produces widgets that are packaged in boxes of 100. The probability of a widget being…

A: A manufacturer produces widgets that are packaged in boxes of 100. The probability of a widget being…

Q: A study shows that 15% of adult males don’t wash their hands in a public restroom. We take a random…

A:

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

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: If 15% of students like tennis and I expect 500 new students on campus what is the probability that…

A: Probability that students like tennis, p=15% = 0.15 q=1-p= 1-0.15= 0.85 Sample size n=500…

Q: 500 participants were asked what coping method they use to overcome poor mental health. The results…

A: A table is given : Total outcomes (N) = 500 Let A represents mindfulness activity B represents…

Q: Suppose that you and two friends go to a​ restaurant, which last month filled approximately 90.9% of…

A:

Q: As part of a promotional campaign, a store is offering a free Fitbit with the purchase of the new…

A: Let A denote the event that iPhone are faulty  Let B denote the event that Fitbits are faulty The…

Q: In a typical day, I respond to 3 students emails. What is the probability that in a 5-day work week…

A: Let X denote the number of email responds and it follows Poisson distribution with parameter (λ=3…

Q: Approximately 30% of obese patients develop diabetes. If a physician sees 10 patients who are obese,…

A:

Q: David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use…

A: Given,Past evidence indicates that 40% of all customers pay in cash. That is, probability of success…

Q: In London, it always rains on the weekend (Saturday or Sunday), and there is a 50% chance of rain on…

A: The events are denoted as follows:: It is a Thursday, and: It is raining outside.The given…

Q: For a recent year, 31.9% of Americans living below the poverty level were not covered by health…

A: 31.9% of Americans living below the poverty level were not covered by health insurance.so,…

Q: The heavy weather service predicts that for tomorrow there is a 60% chance of tornadoes, a 30%…

A:

Q: A store owner of headache medicine claims it is 60% effective within a few minutes. That is, out of…

A: Given, let 'X' be the number of patients having relief within a few minutes out of 12 patients.…

Q: A company is developing a new drug, and the clinical trials show that the drug has a 75% chance of…

A: Probability of curing a particular illness(p)=0.75sample size(n)=10Let "x" be the no. of patients…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: FIND THE test statistics value  FOR  TWO TAILED TEST  SAMPLe sixe 26 and level of significance is…

A:

Q: In a particular care facility, 8% of adults over 65 have Alzheimer’s. If a physician at this care…

A: Let us denote A= the event that a patient has Alzheimer’s  C= diagnosed positive Given that…

Q: Some cyclists ride their bicycles on the wrong side of the road, the opposite direction of car…

A: It was stated that some cyclists ride their bicycles on the wrong side of the road, the opposite…

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: 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: In a certain community, 36 percent of families own a dog, and 30 percent of families own a cat. What…

A: A = families own a dog B= families own a cat  P(A)=36%=0.36 P(B)=30%=0.30

Q: A politician running for Senate in California claims that only 34% of Californians approve of the…

A: Obtain the probability that more than 40% of those surveyed approve of the competitor. The…

Q: Approximately 11% of students at BCC are Criminal Justice majors. If you take a simple random sample…

A: Let X= number of students who are Criminal Justice majors the probability of a student being…

Q: A construction company wants to understand how important safety helmets are on their worksite. They…

A: Define the events, A : The worker wear safety helmet B : The worker report head injuries Now, 73% of…

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: An animal shelter had a 65 % adoption rate for puppies. Of all puppies in the shelter , 75% live to…

A: