In a recent survey of 705 teens, 300 said they have a sister and 383 teens have a brother. One-third of those teens with a sister also have a brother. What is the probability that a teen has a sister or brother? What is the probability that a teen has a sister or no siblings? What is the probability that a teen has a brother or no siblings?

In a recent survey of 705 teens, 300 said they have a sister and 383 teens have a brother. One-third of those teens with a sister also have a brother. What is the probability that a teen has a sister or brother? What is the probability that a teen has a sister or no siblings? What is the probability that a teen has a brother or no siblings?

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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