Suppose that 1.4% of men and 3.6% of women have night-blindness. Assume the population consists of 4 times as many men as women. A person is chosen at random from the population and is known to have night- blindness. What is the probability that this person chosen is a woman?

Q: Suppose that 65% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that the probability of parents having a child with blond hair is 1/4. If there are 6…

A:

Q: A class contains 16 boys and 10 girls of which half of the boys and half of the girls are fat. Find…

A: Given,no.of boys=16no.of girls=10no.of fat girls=8no.of fat boys=5Total no.of students=26

Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…

A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…

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 30% of people own dogs. If you pick two people at random, what is the probability that…

A: Probability that people own a dog = 30% = 0.30

Q: Suppose that 10% of people own dogs. If you pick two people at random, what is the probability that…

A: From the provided information, 10% of people own dogs that is p = 0.10 Sample size (n) = 2 X~B (2,…

Q: Suppose that 38% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that, Probability, p = 38% = 0.38 Sample size = 2

Q: If math. Professor receives on average of 5 e-mail messages per day from Students, then the…

A:

Q: A class contains 10 males and 20 females of which half the males and half the females are…

A: We will create a contingency table first. There are 10 males and 20 females (total 30) of which 5…

Q: Suppose that 15% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 40% of people own dogs.Let X be the number of people own dogs following binomial…

Q: Suppose that 14% of people own dogs. If you pick two people at random, what is the probability that…

A: Answer: Given that: p=P(people own dogs)= 0.14 , n= 2 now will use Binomial probability…

Q: Suppose that 25% of people own dogs. If you pick two people at random, what is the probability that…

A: Solution:- from given information probability of people own dogs is 25%    p=0.25 random sample n =…

Q: If you toss a die and it comes up with the number one 9 times in a row,what is the probability that…

A:

Q: Suppose that an incubator contains 200 eggs. The probability that a hatching egg will contain a…

A: Given : X = Number of female chick hatch. n = 200 p = 0.5 q=1-p=0.5 X~Binomial(n=200,p=0.5) Here,…

Q: The probability that a patient recovers from a delicate heart operation is 0.9. What is the…

A: Let us denote X=the number of patients having the operation surviven=sample size=7p=probability of…

Q: One student is randomly selected at random from a class with 11 girls and 12 boys. What is the…

A: Answer: From the given data, Number of girls in the class = 11 Number of boys in the class = 12…

Q: Suppose that 32% of people own dogs. If you pick two people at random, what is the probability that…

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

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: Suppose that 42% of people are on low calorie diet. If you pick three people at random, what is the…

A:

Q: Suppose Eman has an 85% chance of passing each time he takes a quiz. What is the probability that he…

A: The probability of passing the quiz is 85% or 0.85 Therefore the probability of failing the quiz is…

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Here, n = 2 and p = 0.4.

Q: If two people are chosen with replacement from the data, what is the probability that both are…

A: Given contingency table is :   Athletic Shoes Sandals Dress Shoes Other Total Men…

Q: The probability that a patient recovers from a delicate heart operation is 0.9. What is the…

A: Given n=7 P=0.9

Q: Suppose that 20% of people own dogs. If you pick two people at random, what is the probability that…

A: Givenno.of people own dogs = 0.20

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that n = 2 ,p =0.4 P ( x =2 ) =?

Q: Suppose that 25% of all students on campus wear glasses. If two students are chosen at random, what…

A: Given,25% of all students on campus wear glassessample size(n)=2

Q: Suppose that 65% of people own dogs. If you pick two people at random, what is the probability that…

A: Question 14: Let x denotes the number of people own dogs which follows binomial distribution with…