A TV station is going to air a movie marathon with 9 movies. It will consist of 5 science fiction movies and 4 horror movies. The horror movies will be aired later in the evening. So, all of the horror movies will be aired last (after all of the science fiction movies). In how many ways can the station air the movie marathon? Thanks!

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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A TV station is going to air a movie marathon with 9 movies. It will consist of 5 science fiction movies and 4 horror movies. The horror movies will be aired later in the evening.

So, all of the horror movies will be aired last (after all of the science fiction movies). In how many ways can the station air the movie marathon?

Thanks!

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