A bowl contains 6 white marbles and 3 black marbles. Suppose one marble is randomly selected and is replaced by a marble of the other color. A second marble is then chosen. What is the conditional probability that the first ball selected is white marble, given that the second ball was white marble?

Q: In a class of 26 students, 8 have a brother and 6 have a sister. There are 2 students who have a…

A: Given:-

Q: A gumball dispenser has 38 orange gumballs, 30 purple ones, and 18 yellow ones. The dispenser…

A: Given data There are  38 orange gum balls 30 purple gum balls 18 yellow ones.

Q: In a class of 22 students, 5 have a brother and 13 have a sister. There are 2 students who have a…

A: class of 22 students 5 have brother  13 have sister 2 have brother and sister   P(have sister | have…

Q: committee of 3 is to be chosen from 14, 10 females and 4 males, at random. Josue is one of the…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: Two teams of 10 players are created from a group of 20 people. Suppose you and your friend are in…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: Two cards are drawn from a single deck of 52 cardsone after the other. If the first card is not…

A: The objective of this question is to find the probability of drawing a king on the first draw and a…

Q: One bag contains 11 red balls and 3 green balls. A second bag contains 7 red balls and 9 green…

A: Let,G1 = event that Bob selects a green ball from the first bagG2 = event that Alice selects a green…

Q: Suppose you have 2 identical green socks, 4 identical red socks, and 14 identical purple socks. If…

A: Given,no.of green socks=2no.of red socks=4no.of purple socks=14Total no.of socks=20

Q: Assume that there are 8 white mice and 7 black mice to choose from, and you randomly pick 4 mice.…

A: It is given that, there are 8 white mice and 7 black mice. Thus, total mice  =8+7=15 We randomly pic…

Q: I have 1 grey female, 5 grey male, 2 white female, and 2 white male mice. A biologist chooses 2…

A: From the given information, there are 1 grey female, 5 grey male, 2 white female and 2 white male…

Q: There are 20 students in a class. Arshia, Manu, and Eva from the class, are great friends. If the…

A:

Q: Alana has a packet with 3 silver wrapping papers, 5 golden wrapping papers, and 6 pink wrapping…

A: Given that :  3 silver wrapping paper  5 golden wrapping paper  6 pink wrapping paper  Two wrapping…

Q: A bag contains 8 red marbles, 7 green marbles, 5 blue marbles, and 6 yellow marbles.  If you draw…

A:

Q: There are 20 red, 20 blue, and 10 yellow marbles in a bag. What is the probability of drawing two…

A: Given: Number of red marbles = 20 Number of blue marbles = 20 Number of yellow marbles = 10 Total…

Q: A bag contains 25 gumballs in total.  There are 6 blue gumballs, 7 green gumballs, 4 red gumballs, 3…

A: It is an important part of statistics. It is widely used.

Q: A class has 14 girls and 12 boys and a committee of 5 is chosen. What is the probability that this…

A: We have given that Number of girls = 14 Number of boys = 12 Total students = 12+14 = 26 We have to…

Q: There are 3 blue balls, 5 red balls and 4 white balls in a bag. If a person selects two of the…

A: We have to find  the probability that the second ball is second ball is red, given that the first…

Q: Angelina buys a bag of cookies that contains 8 chocolate chip cookies, 7 peanut butter cookies, 4…

A:

Q: I pick the 5 of hearts from a deck of cards.  If the 5 of hearts is not returned to the deck, what…

A: There are four cards of 5 There are 13 cards of hearts.  There is 1 card which is 5 of hearts.  So…