Mr.and Mrs. Khan want a family picture taken with their children, Hamish, Flora and James. In how many ways can all five line up in a straight line for the picture if: the parents must be at either end of the line? the children alternate with the adults? There are no restrictions?

Mr.and Mrs. Khan want a family picture taken with their children, Hamish, Flora and James. In how many ways can all five line up in a straight line for the picture if: the parents must be at either end of the line? the children alternate with the adults? There are no restrictions?

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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