A bag of 22 candy bars contains 9 kitkats. 4 bars are selected at random. What is the probability that 2 are kitkats? What is the expected number of kitkats?

Q: In a small private​ school, 4 students are randomly selected from 11 available students. What is the…

A: Given that, N=11 R=4 Number of youngest students among the available students = 4

Q: what is the probability of obtaining 8 heads in a row when flipping a fair coin? interpret this…

A: A fair coin is one which is equally likely to land on head  or on tail. So, we infer P(H) =…

Q: A manufacturing machine has a 9% defect rate. If 5 items are chosen at random, what is the…

A: Given that, A manufacturing machine has a 9% defect rate. Sample size = 5

Q: What is the probability of randomly selecting a 3-children family with two girls?

A: We will first list all possible outcomes in the sample space, then we will use following definition…

Q: In a small private​ school, 6 students are randomly selected from 17 available students. What is…

A: Given: Number of selected students = 6 Total number of available students = 17 Formula Used: The…

Q: In a small private​ school, 6 students are randomly selected from 14 available students. What is the…

A: no of ways selecting r items from n is C(n,r)

Q: 5 people are chosen randomly from 4 women and 5 men to participate in an event.  What is the…

A:

Q: manufacturing machine has a 9% defect rate. If 4 items are chosen at random, what is the…

A: p=0.09n=4

Q: What is the probability of picking three spade face cards or two red cards?

A: Here we have to find probability of picking three spade face cards or two red cards

Q: During the year about 15 percent of the population carry the flu virus. Supposed that 5 children…

A:

Q: There’s 7 red balls,13 green balls, 9 orange balls, 2 purple balls, and 8 yellow balls. One ball is…

A: To find the probability that the randomly chosen ball is red or yellow:

Q: In a small private​ school, 4 students are randomly selected from 18 available students. What is the…

A: Solution: Given information: n= 18 available students  4 students are randomly selected.

Q: What is the probability of selecting two queen cards from the deck of 52 cards?   What is the…

A: Solution:- What is the probability of selecting two queen cards from the deck of 52 cards? The…

Q: In a study done in my chicken coop, 82% of my birds enjoy eating earwigs. Choose 7 birds at…

A: Let X denote the number birds enjoy eating earwigs. Then X follows a Binomial distribution with n=7…

Q: 2) A jar contains 5 red marbles, 5 green marbles, and 10 blue marbles. What is the probability of…

A: From the provided information,A jar contains 5 red marbles, 5 green marbles and 10 blue…

Q: n urn contains 3 red balls, 4 green balls and 1 yellow balls. An experiment consists of picking 3…

A: Given: Number of red balls = 3 Number of green balls = 4 Number of yellow balls = 1 Total number of…

Q: What is the probability that a hand of 6 cards contains 6 cards of 6 different ranks?

A: Let A be the event that a hand of 6 cards contains 6 cards of 6 different ranks Here, the total…

Q: there are 10 manufactured parts with 6 good parts and 4 defective parts.  A sample of three part was…

A: We have, N= 10 = total number of parts n1 = 6 = number of good parts n2= 4 = number of defective…

Q: dog breeder has 15 puppies for sale. Eight are yellow Labs. If 5 puppies are selected at random,…

A: According to the given information in this question We need to find the probability

Q: 3 pets are to be randomly selected from 8 cats and 6 dogs. What is the probability of having 2 dogs…

A: Probability can be defined as the numerical descriptions of how likely an event is to occur. If n…

Q: What is the probability of choosing a green marble from a bag filled with 17 blue marbles, 12 red…

A:

Q: In a 2 colour spinner, the probability of spinning red is 4 times the probability of spinning green.…

A: Let there are n trials and each having two outcomes - Success and Failure. The trials are…

Q: A manufacturing machine has a 2% defect rate. If 7 items are chosen at random, what is the…

A: Let us denote  X=the number of items that are defective n=number of trials=7 p=probability of…