(a) How many different ways for three different boxes ordered in a row? (b) How many different 10-letter codes can be made using three a’s, four b’s, and three c’s? (c) A fair coin is flipped 10 times. What is the probability of obtaining exactly three heads?

(a) How many different ways for three different boxes ordered in a row? (b) How many different 10-letter codes can be made using three a’s, four b’s, and three c’s? (c) A fair coin is flipped 10 times. What is the probability of obtaining exactly three heads?

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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Question

Answer the following questions.
(a) How many different ways for three different boxes ordered in a row?
(b) How many different 10-letter codes can be made using three a’s, four b’s, and three
c’s?
(c) A fair coin is flipped 10 times. What is the probability of obtaining exactly three
heads?
(d) From an ordinary deck of 52 cards, seven cards are drawn at random and without
replacement. What is the probability that at least one of the cards is a king?

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