4. Assume it is equally likely that a child is born a boy or a girl.a. Draw a tree diagram and list the possible outcomes for a family of 2children.b. What is the probability that in a family of 2 children, both will be girls.c. Extend the tree diagram and list the possible outcomes for 3 children.What is the probability that in a family of 3, all will be boys?Page 9 of 15

Here we have assumed that it is equally likely that child is born a boy or girl

Answered: 4. Assume it is equally likely that a…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Please answer letter c. Thanks!
Suppose there are 10 candidates in an election. After the election, an ordered list is published of the top three candidates. How many possibilities are there for this list? Rihanna and Justin are queueing with 6 more people at Ground café. What is the probability that one will be in front of the other in the queue? Briefly explain your answer. A group of five people get on a bus at stop A. There are 10 stops after stop A. The five people choose which stop to get off at independently of each other and each person randomly chooses one of the 10 stops to get off. What is the probability that they are all going to get off the bus at different stops? Explain your answer.
3. A box has 6 black, 4 red, 2 white and 3 blue shirts. Two shirts are picked at random, find the probability of drawing 1 black shirt and 1 white shirt? a. 4/35 b. 12/15 c. 8/15 d. 8/35
9500 students are enrolled in a community college. Of 9500, 3350 have a Visa, 2200 have a MasterCard, and 860 have both credit cards. Find the probability that a student selected randomly: Has only Visa Card. Has both Visa and a MasterCard. Has exactly one of the card. Has neither a Visa nor a MasterCard Draw the Venn diagram. Note! Please explain answer with each step and explaine full answer..
Neither Andrew nor David likes to set the table for dinner. They toss a coin to decide who will set the table. David always picks tails. What is the probability David will set the table 3 days in a row? Use a tree diagram to show your work.
4. A box has 6 black, 4 red, 2 white and 3 blue shirts. Two shirts are picked at random, find the probability of drawing 2 black shirts? a. 1/7 b. 2/15 c. 6/15 d. 1/8
18. A jar contains 10 red marbles and 12 green marbles. You reach in the jar and pull out two marbles at random. What is the probability that both of the marbles chosen are green? Edit View Insert Format Tools Table
The 52 cards in a standard deck of playing are described below. There are 4 suits: Spades, Hearts, Diamonds, and Clubs. Within each suit, there are 13 ranks: A,K,Q,J,10,9,8,7,6,5,4,3,2 If 5 cards are dealt, what is the probability of getting 2 cards of the same rank and 3 unmatched cards? Write 9 digits to the right of the decimal point in your answer. Enter your answer in the answer box and then click Check Answer. All parts showing Clear All Check Answer
A4. Five marbles are to be chosen at random from 8 red marbles and 5 yellow marbles, Find the probability that a all 5 marbles are red. b. at least 2 marbles are red. c 3 marbles are red and 2 marbles are yellow.
5. ) Suppose you select a number from 1-10 at random. Find the probability of each situation. a. P(even number) b. P(1 or 4) c. P(Less than 8) d. P(greater than 10)
9. A committee of 12 is to be selected from 18 soccer players and 15 basketball players. What is the probability that the number of soccer players on the committee is triple the number of basketball players.
2. A dance crew of 12 is to be randomly selected from 11 hip-hop dancers, 9 ballet dancers, 13 ballroom dancers and 7 break dancers. What is the probability of having 5 ballet dancers on the dance crew?

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