Nine people (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal, and Ida) are in a room. Five of them stand in a row for a picture. (a) How many ways are there to choose five people for the picture if Hal must be there and Ben must not be there? (b) In how many ways can a row of five people be formed if Dot is on the left end and Ed is on the right end? (c) In how many ways can a row of five people be formed if Ann and Ben are in the picture and standing next to each other?

Nine people (Ann, Ben, Cal, Dot, Ed, Fran, Gail, Hal, and Ida) are in a room. Five of them stand in a row for a picture. (a) How many ways are there to choose five people for the picture if Hal must be there and Ben must not be there? (b) In how many ways can a row of five people be formed if Dot is on the left end and Ed is on the right end? (c) In how many ways can a row of five people be formed if Ann and Ben are in the picture and standing next to each other?

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...

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