A girl has 7 pairs of gloves in her drawer, one of each color of the rainbow. How many socks does she have to draw in order to guarantee that she have grabbed at least three pairs?

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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Answer the two questions.

A girl has 7 pairs of gloves in her drawer, one of each color of the rainbow. How many socks
does she have to draw in order to guarantee that she have grabbed at least three pairs?
Transcribed Image Text:A girl has 7 pairs of gloves in her drawer, one of each color of the rainbow. How many socks does she have to draw in order to guarantee that she have grabbed at least three pairs?
|In how many ways can a photographer at a wedding arrange 6 people in a row from a group of
9 people, where the bride and the groom are among these 9 people, if the bride must be in the
picture?
Transcribed Image Text:|In how many ways can a photographer at a wedding arrange 6 people in a row from a group of 9 people, where the bride and the groom are among these 9 people, if the bride must be in the picture?
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