5) A couple plans to have four children. Using a tree diagram, obtain the sample space. Then, find the probability that the family has no boys.

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: One student is to be selected at random from a group of 7 freshmen, 5 sophomores, 8 juniors, and 3…

A: 7 freshmen, 5 sophomores, 8 juniors, and 3 seniors  Total=23

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A:

Q: Two cards are selected from a standard deck of 52 playing cards. The first is replaced before the…

A:

Q: Suppose you have 10 tennis balls and you randomly pick some number of them. What is the probability…

A: Given the event that there are 10 tennis balls and one randomly pick some number of them.

Q: Ferry 7 13 16 11 62 Rental Car Train 8 45

A: A Venn diagram for  travelers are given.The aim is to find the probability that a selected traveler…

Q: 52% of dogs enjoy biting the mailman.  Select 5 random dogs.  Find the probability at least 1 enjoys…

A:

Q: Pablo randomly picks three marbles from a bag of nine marbles (four red ones, green ones , and two…

A: There are total 9 marbles. And he will pick 3 marbles from it.  He can do that in 9C3= 84 ways So 84…

Q: A poll is given, showing 50% are in favor of a new building project. If 6 people are chosen at…

A: Binomial distribution : In binomial distribution, the number of trials is fixed and the number of…

Q: The probability of getting a girl is .541. What is the probability of having at least 2 girls?

A: A couple is planning on having 5 children. The probability of getting girl is 0.541. Probability of…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: An urn contains nine ​red, seven white, and five blue marbles. Three marbles are selected at random…

A: It is given that, An Urn contain nine red, seven white and five blue marbles. Total number of…

Q: Find the probability X = 2 cents.    Find the probability X = 6 cents.    Find the probability X =…

A:

Q: For the word "CRETOPAHIU", the letters are randomly arranged. Find the probability that all vowels…

A: given word is "CRETOPAHIU"Total no. of letters in the given word=10No. of vowels in the given word =…

Q: 52% of dogs enjoy biting the mailman. Select 5 random dogs. What's the probability AT LEAST 1 Enjoys…

A: Given : p = 0.52 where p is probability of dogs enjoy biting the mailman. n = 5 let X be the dogs…

Q: There are 36 women and 34 men at Mr. Stover’s family reunion. They are drawing names to determine…

A: