In a family of 5 children, find the probability that there are (i) (ii) (iii) (iv) 2 boys At least one boy All are boys No boys

Q: Trisha has 2 boxes of marbles. She selects a marble from each box 100 times, replacing the marble…

A: Given, 2 boxes of marbles To find the probability of selecting red marble from the first box and…

Q: 6.A cat has a litter of seven kittens. If the probability that a kitten will be female is 0.52, what…

A:

Q: A salesman finds he can make one sale for every four calls he makes. If he makes five sales calls,…

A: Let, X=the number of sales he makes n=number of trials= 5 p=probability of success= 1/4=0.25 X…

Q: A small town holds a raffle once a week in which the winner gets $1000. Every one of the 100…

A: In this question, we have to find the probability that a town resident will win the raffle once.

Q: A family's cat is pregnant with 4 kittens. If the probability each kitten will be gray like the…

A: here from given information  p = probability of kitten is not gray  =  1 - 0.49 = 0.51  n =  4

Q: Find the probability that when a couple had six children, at least one of them is a boy. (Assume…

A:

Q: A box has 34 orange hats and 13 yellow hats. If you pick 3 hats without replacemen

A: Given Data population size, N = 34+13 = 43 number of successes, m = 34 sample…

Q: f candies has many different colors in it. There is a 15% chance of getting a pink candy. What is…

A: Given data, There is a 15% chance of getting a pink candy p=15%=0.15 n=10 P(X=4)=?

Q: A bag contains 10 white as well as black balls. A person draws 6 balls and finds that 3 balls are…

A:

Q: A box contains 3 red balls and 5 black balls. Two balls are drawn in succession and without…

A:

Q: A family has n children. We pick one of them at random and find out that she is a girl. What is the…

A: Given: Sample Sizen=nProbability of a girlp=0.5 Since probabilities of boys and are equally likely.…

Q: - Out of 30 car races, 3 accidents have occurred. In the following season of 100 races are…

A: p=3/30=0.10,n=100,  X=no. of accident X~B(n,p)   We want to find the probability P(X=0.3)= ? P(X=5)=…

Q: Two machines turn out all the products in a factory, with the first machine producing 80% of the…

A: It is provided that the first machine is producing 80% of the product and the second machine is…

Q: A vase has 3 red roses 4 white roses and 6 yellow roses. If a rose is picked from the vase to give…

A:

Q: 4 out of 100 televisions in stock are defective. If you select two television at random, find the…

A: Introduction: There are 100 televisions, out of which, 4 are defective. Out of the 2 randomly…

Q: A hotel has 5 elevators. One of them is a freight elevator. When pressing the button, one of the…

A: We have to find given probability.

Q: A company produces lightbulbs of which 2% are defective . If 50 bulbs are selected for testing what…

A: Given that  A company produces lightbulbs of which 2% are defective  P = 2% = 0.02 (1-P) = 98% =…

Q: Box I contains 3 red and 2 blue marbles. Box II contains 2 red and 8 blue marbles. A fair coin is…

A: Dear student,  If you find this solution helpful please upvote ? it.

Q: A class has 30 girls and 22 boys. A teacher selects 15 students at random from the class to…

A: According to the provided information, Total girls = 30 Total boys = 22 Total student = 52

Q: a box contain 4 apple candies and 5 orange candies. If Ana will pick one at a random what is the…

A: The number of apple candy is 4 and orange candy is 5. Total number of candy is 4+5 =9 Total number…

Q: An assembly line has two inspectors. The probability that the first inspector will miss a defective…

A: If the defective item passes both inspectors then that means that it was missed by the first…

Q: In a class of 20 students, there are 12 girls and 8 boys. Three students are selected to be…

A: The probability that the first student selected to be teacher's assistant will be a girl is 12/20.

Q: A 3-match table tennis series is going on between Bangladesh and Taiwan. [There's no tie in a a…

A: Here use binomial theorem

Q: This unfortunate event happened to me when my two children were little. Each of them had a friend…

A: Given There were 9 popsicles in the freezer and 3 flavors: 3 blueberry, 3 strawberry, and 3…

Q: Find the probability that when a couple has five ​children, at least one of them is a boy. ​(Assume…

A: Sample size, n = 5  Probability,  p = 0.50

Q: An aircraft is used to fire at a target. It will be successful if 2 or more bombs hit the target. If…

A:

Q: In a class there are 18 boys and 12 girls. One child is chosen at random to represent the class.…

A: Answer: The number of boys in a class is 18 and the number of girls in a class is 12. Total number…

Q: There are three groups. The first group contains 37 boys and 23 girls. The second group contains 47…

A:

Q: An urn contains 5 yellow marbles, and 4 green marbles. If one marble is selected. Determine the…

A: Given,no.of yellow marbles=5no.of green marbles=4total no.of marbles=9

Q: A teacher has a bag of marbles. There are 6 red, 6 blue, 8 green, 7 purple, and 8 yellow marbles in…

A: On solving ,we get

Q: A family has three children. It is known that they have at least one girl, what is the probability…

A: Given Information: A family has three children. It is known that they have at least one girl. To…

Q: QI: Suppose that are have a fuse box, containing 20 fuses of which 5 are defective. If 2 fuses are…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Box-1 contains 6 white and 3 green balls and Box-2 contains 1 white and 2 green balls. One box is…

A: Reviewing information, Given, Box 1 contains 6 white & 3 green balls Box 2 contains 1 white…

Q: A bag contains 3 white balls, 4 green balls and 5 red balls. Three balls are drawn from the bag…

A: Given,no.of white balls=3no.of green balls =4no.of red balls =5Total no.of balls =12

Q: of a hit is 0.4 for each torpedo, what is the probability that the carrier will be sunk? or more…

A:

Q: What is the probability that he takes bus normally?

A: HERE USE TREE DIAGRAM FOR GIVEN INFORMATION

Q: An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket…

A: Solution: Let X be the number of persons holding a ticket appears for the flight. From the given…

Q: Two machines turn out all the products in a factory, with the first machine producing 35% of the…

A: (a)The probability that a defective part is produced at this factory given that it was made on the…

Q: b) A team consists of 5 members to be formed from 10 students and 5 lecturers. Find the probability…

A: Given,no.of students=10no.of lecturers=5Total no.of peoples=15

Q: A man comes from a family of 2 children. What is the probability that the other child is his sister?

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: An allergist claims that 50% of his patients suffer from some type of allergy. a) What is the…

A: Given : An allergist claims that 50% of his patients suffer from some type of allergy.  Let A…

Q: A box of 12 batteries has 3 defective ones. (Enter your probabilities as fractions.) (a) If 2…

A: Given: A box of 12 batteries has 3 defective ones and 2 batteries are drawn from the box together.

Q: 13. uppose a jar contains 8 red marbles and 22 blue marbles. If you reach in the jar and pull out 2…

A: There are 8+22 = 30 marbles all total. Now, 2 marbles can be selected from these 30 marbles in 302…

Q: Urn A contains 3 white and 4 red balls. Urn B contains 4 white and 5 black. If an urn is chosen at…

A:

Q: A class has 30 students. If there are 20 boys and two students are selected at random calculate the…

A: From the provided information, Total students = 30 Total boys = 20

Q: Historical records of managers of a fast food suggest that they have an average of 3 customers per…

A: On average of 3 customers per hour who pay using credit cardfor next hours it will be = 3*2 = 6…

Q: the 1st toss is 0.25. The probability of a bullseye on the 2nd toss is 0.20. The probability of a…

A: Probability is defined as the total number of favorable cases of an event divided by the total…

Q: A country is visited by 6 typhoons on average typhoon for the next month? a year. What is that…

A:

Q: Suppose that a family has 7 children.​ Also, suppose that the probability of having a boy is 1/2.…

A: From the given information,Total number of children in the family is: = 7Probability of having a boy…