1. A bag contains 3 red, 5 blue, 7 black and 9 whiteidentical balls. If a ball is drawn randomly from thebag, find the probability that it may be either red orblue or white. Are the events mutually exclusive orindependent?2. Two unbiased dice are rolled. Find the probabilitythat the sum of the numbers on the two faces iseither divisible by 3 or divisible by 4.3. A magician takes out two cards from a deck ofcards, one after the other, without replacement. Whatis the probability of getting an ace of spade, and acard of heart, as first and second card, respectively?4. A biased die is thrown thirty times and the numberof sixes seen is eight. If the die is thrown a furthertwelve times find:a. the probability that a six will occur exactly twice; b.the expected number of sixes;

We have given that Total balls=3+5+7+9=24 Red balls=3, Blue balls=5, Black balls=7, White balls=9…

Answered: 1. A bag contains 3 red, 5 blue, 7…

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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1. A bag contains 3 red, 5 blue, 7 black and 9 white identical balls. If a ball is drawn randomly from the bag, find the probability that it may be either red or blue or white. Are the events mutually exclusive or independent?