If we do not distinguish among boys with the same last name, then there are9possible arrange-2, 3, 4ments of the nine boys. We are interested in the probability of a particular one of these arangements.So, the probability

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Answered: If we do not distinguish among boys…

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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Similar questions

in their closet a pack rat has 7 pairs of boots plus 4 other boots which are unpaired as their match had been thrown in the trash. if they reach into their closet and grab a boot at random what is the probability that the matching boot is in their closet?
In a box, there are 9 black ball pens and 3 red ball pens. If two ball pens will be taken randomly, what is the probability that the ball pens are both red? one red, and one black? both black?
A couple is planning to have a three children. What is the probability that: All of the children will be girl? Two of the children will be boys? At least 2 of the children will be girls? The couple will have 2 boys at the most?
Suppose a jar contains 15 red marbles and 10 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time (same as drawing without replacement), find the probability that both are red.
A box contains 3 blue dice and 2 orange dice, a second box contains 2 blue dice and 5 orange dice, if a blue dice is drawn what is the probability that it came from the first box
One bag contains 4 white balls and 3 black balls, and a second bag contains 3 white balls and 5 black balls. One ball is drawn from the first bag and placed unseen in the second bag. What is the probability that a ball now drawn from the second bag is black?
A group of five persons is formed from five boys and four girls. Find the probability that there are at least two girls in the group?
A = {2, 3, 4, 5) B=(4, 5, 6, 7, 8) Two integers will be randomly selected from the sets above, one integer from set A and one integer from set B. What is the probability that the sum of the two integers will equal 9 ?
Suppose, you have removed all but the numbered cards from a deck of playing cards. Now, you have to pick one random card from these 36 numbered cards. The number that the card shows is the number of dice you roll together. What is the probability that after rolling the dice, no odd number shows up?
A committee of three people is to be randomly selected from a group of 20 men and 17 women. What is the probability that all three people will be women?

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If we do not distinguish among boys with the same last name, then there are possible arrange- 2, 3, 4 ments of the nine boys. We are interested in the probability of a particular one of these arangements. So, the probability