3.) DJ: A disc jockey has 9 songs to play. Five are slow songs, and 4 are fast songs. Each song is to be played onlyonce. In how many ways can the DJ play the 9 songs ifa.) The songs can be played in any order?b.) The first song must be a slow song and the last song must be a slow song?c.) The first two songs must be fast songs?

from the given find ( a)(b) and (c)

Answered: 3.) DJ: A disc jockey has 9 songs to…

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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In the local boating pond there are 10 plain wooden boats, each with a different number. The owner decides that some of these boats will be painted: one in blue, one in green, one in red, and one in orange, and the remaining ones left unpainted. How many ways are there to paint the boats? The number of ways is
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Assume Amy is making a sandwich for lunch and needs to select her sandwich fixings. She will select two meats out of 5 options, 1 cheese out of 3 options, and exactly 3 or exactly 5 vegetables out of the 7 options. She will also decide whether to add mayo or not. How many ways can she make her sandwich.
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