A disc jockey (DJ) has 11 songs to play. Six are slow songs, and 5 are fast songs. Each song is to be played only once. a) In how many ways can the DJ play the 11 songs if the songs can be played in any order? b) In how many ways can the DJ play the 11 songs if the first song must be a slow song and the last song must be a slow song? c) In how many ways can the DJ play the 11 songs if the first two songs must be fast songs?

A disc jockey (DJ) has 11 songs to play. Six are slow songs, and 5 are fast songs. Each song is to be played only once. a) In how many ways can the DJ play the 11 songs if the songs can be played in any order? b) In how many ways can the DJ play the 11 songs if the first song must be a slow song and the last song must be a slow song? c) In how many ways can the DJ play the 11 songs if the first two songs must be fast songs?

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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