Explanation Given Info: Four different people stood in a line in 4! different ways. Calculation: Factorial Rule: The total number of ways n different objects can be arranged where order of the objects is important. The factorial rule is denoted by the symbol ‘!’, this symbol represents the product of the decreasing positive whole numbers. Therefore, symbol ‘!’ represents factorial. The formula for arranging n different objects is, n ! = n × ( n

12th Edition

ISBN: 9780321836960

Author: Mario F. Triola

Publisher: PEARSON

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Question

Chapter 4.6, Problem 1BSC

To determine

What does the symbol ‘!’ represent.

To obtain: The actual number of ways four people can stand in a line.

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Chapter 4 Solutions

Elementary Statistics

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What does the symbol ‘!’ represent. To obtain: The actual number of ways four people can stand in a line.

Solution Summary: The author explains that the symbol ‘!’ represents factorial. The number of ways four people can stand in a line is 24.

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What does the symbol ‘!’ represent. To obtain: The actual number of ways four people can stand in a line.

Chapter 4 Solutions

What does the symbol ‘!’ represent.

To obtain: The actual number of ways four people can stand in a line.