Assume that each child who is born is equally likely to be a boy or a girl. Suppose that a family has 4 children. (a) Find the probability that at least 2 of them are girls given that the eldest child is a girl. (b) Find the probability that at least 2 of them are girls given that at least one of the children is a girl.

Q: Find the probability of at least 2 female visitors in 16 visitors to Mt. Rainier National Park.…

A:

Q: If two cards are selected from a standard deck of 52 cards and are not replaced after each draw,…

A:

Q: uppose a jar contains 15 red marbles and 15 blue marbles. If you reach in the jar and pull out 2…

A: Number of red marbles=15Number of blue marbles=15Total number of marbles=30

Q: Mr Burke teaches a mathematics class with 15 students. In this class there are 6 female students and…

A:

Q: Suppose that it is equally likely for a child to be a boy or a girl. Suppose a parent tells you that…

A: Given information- We have given that it is equally likely for a child to be a boy or a girl.…

Q: Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if Bob goes…

A: Given, Suppose that the probability that Bob will go downtown is  45%.  Now, also suppose that if…

Q: Assume that the team plays 7 games. If the team is equally likely to win as to lose each game, what…

A: Assume that, W represents win and L represents loss.

Q: At a local​ company, 15​% of the employees are women. Every​ day, 7​% of the women bring their lunch…

A:

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Suppose a jar contains 13 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A:

Q: An office has 2 fire detectors. Suppose that 3 out of every 100 fire detectors will fail to go off…

A: It is given that, 3 out of every 100 fire detectors will fail to go off during a fire.

Q: Suppose that the probability that Bob eats an apple at lunch is 8%.  Also, suppose that the…

A: Given Information: Probability that Bob eats an apple at lunch is 8% i.e., PApple=0.08 Probability…

Q: A manufacturer of jeans has plants in California, Arizona, and Texas. A group of 25 pairs of jeans…

A: a).Here, 25 pairs of jeans are given and thus the experimental unit is the pairs of jeans.

Q: Assume that two bags contain 4 balls each. Bag A contains 1 red and 3 white, while Bag B contains 2…

A: Given data: The number of red balls in the first bag is rA=1. The number of white balls in the first…

Q: A tennis player makes a successful first serve 40% of the time. Assume that each serve is…

A: The objective of this question is to find the probability of a specific outcome in a binomial…

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: Suppose that the probability that Bob has a flat tire is  20 %.  Also, suppose that the probability…

A: Let define the events as follows: A = Bob has a flat tire B = Bob will have a transmission failure A…

Q: A tennis match of best of 5 sets is played by two players and B. The probability that first set is…

A:

Q: A physics class has 50 students. Of​ these,17 students are physics majors and 13 students are…

A: From given data, P(Physics majors)=17/50 P(Female)=13/50 P(Physics majors and Female)=4/50 P(Physics…

Q: A couple has 2 children. What is the probability that both are girls if the older of the two is a…

A: