A survey of the students in a psychology class revealed that there were 19 females and 8 males. Of the 19 females, only 4 had no brothers or sisters, and 3 of the males were also the only child in the household. If a student is randomly selected from this class, a. What is the probability of obtaining a male? b. What is the probability of selecting a student who has at least one brother or sister? c. What is the probability of selecting a female who has no siblings?

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Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570
BuyFind

Essentials of Statistics for the B...

8th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781133956570

Solutions

Chapter
Section
Chapter 6.1, Problem 1LC
Textbook Problem

A survey of the students in a psychology class revealed that there were 19 females and 8 males. Of the 19 females, only 4 had no brothers or sisters, and 3 of the males were also the only child in the household. If a student is randomly selected from this class,

  1. a. What is the probability of obtaining a male?
  2. b. What is the probability of selecting a student who has at least one brother or sister?
  3. c. What is the probability of selecting a female who has no siblings?

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Chapter 6 Solutions

Essentials of Statistics for the Behavioral Sciences

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