4. Seven (7) students line up for a photo. What is that probability that: (a) Harish will be in the middle of the photo? (b) Joy and Rachel will stand beside each other in the photo?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 13CT: 13. In a group of four students, what is the probability that at least two have the same...
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4. Seven (7) students line up for a photo. What is that probability that:
(a) Harish will be in the middle of the photo?
(b) Joy and Rachel will stand beside each other in the photo?
Transcribed Image Text:4. Seven (7) students line up for a photo. What is that probability that: (a) Harish will be in the middle of the photo? (b) Joy and Rachel will stand beside each other in the photo?
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