3A. In tossing 3 fair coins, what is the expected number of heads? Let the random variable X represent the number of heads. 3B. An unfair coin is flipped. If a head turns up, you win $1. If a tail turns up, you lose $1. The probability of a head is. .62and the probability of a tail is . 38 .Let X be the random variable for the amount won on a single play of this game. What is the expected value of the game?

3A. In tossing 3 fair coins, what is the expected number of heads? Let the random variable X represent the number of heads. 3B. An unfair coin is flipped. If a head turns up, you win $1. If a tail turns up, you lose $1. The probability of a head is. .62and the probability of a tail is . 38 .Let X be the random variable for the amount won on a single play of this game. What is the expected value of the game?

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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