A coin is tossed 10 times. What is the probability of getting 4 tails and 6 heads?105/51213/6451/25625/126A die is constructed so that a 1 or a 2 occurs twice as a 3, 4 or a 6 and a 5 occurs thrice as a 1 or a 2. If the die is tossed once, find the probability that an even number will occur.4/92/91/94/13Six married couples are standing in a room. Find the probability that there are married.1/101/111/91/12A restaurant is giving away 3 different toys with each child’s meal. What is the probability of getting all three toys when purchasing 5 meals?130/243150/243120/243112/243

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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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Question

A coin is tossed 10 times. What is the probability of getting 4 tails and 6 heads?
1. 105/512
2. 13/64
3. 51/256
4. 25/126
A die is constructed so that a 1 or a 2 occurs twice as a 3, 4 or a 6 and a 5 occurs thrice as a 1 or a 2. If the die is tossed once, find the probability that an even number will occur.
1. 4/9
2. 2/9
3. 1/9
4. 4/13
Six married couples are standing in a room. Find the probability that there are married.
1. 1/10
2. 1/11
3. 1/9
4. 1/12
A restaurant is giving away 3 different toys with each child’s meal. What is the probability of getting all three toys when purchasing 5 meals?
1. 130/243
2. 150/243
3. 120/243
4. 112/243