Example 3) Group of children by one of four hair colors, and by type of hair. Hair Type Wavy Straight Totals Brown с 20 80 Blond 15 20 Black 15 Red 3 12 Totals 43 215 a Complete the table. b. What is the probability that a randomly selected child will have wavy hair? What is the probability that a randomly selected child will have either brown or blond hair?

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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Example 3) Group of children by one of four hair colors, and by type of hair.
Hair Type
Wavy
Straight
Totals
a.
b.
C
d.
Brown
20
80
Blond
15
20
Black
15
Red
3
12
Totals
43
6
In words, what does the complement of 8 represent?
215
Complete the table.
What is the probability that a randomly selected child will have wavy hair?
What is the probability that a randomly selected child will have either brown or blond hair?
What is the probability that a randomly selected child will have wavy brown hair?
What is the probability that a randomly selected child will have red hair, given that he or she has straight hair?
f.
If 8 is the event of a child having brown hair, find the probability of the complement of B
Transcribed Image Text:Example 3) Group of children by one of four hair colors, and by type of hair. Hair Type Wavy Straight Totals a. b. C d. Brown 20 80 Blond 15 20 Black 15 Red 3 12 Totals 43 6 In words, what does the complement of 8 represent? 215 Complete the table. What is the probability that a randomly selected child will have wavy hair? What is the probability that a randomly selected child will have either brown or blond hair? What is the probability that a randomly selected child will have wavy brown hair? What is the probability that a randomly selected child will have red hair, given that he or she has straight hair? f. If 8 is the event of a child having brown hair, find the probability of the complement of B
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