etting either one, two, or three emails from your math teacher.  There is a 35% change you will get one email, a 40% chance you will get two emails, and a 25% chance you will get three emails. What is the expected number of emails you will get on a given night? A) 0.75 B) 0.35 C) 0.80 D) 1.9

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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1) Each night you can count on getting either one, two, or three emails from your math teacher. 

There is a 35% change you will get one email, a 40% chance you will get two emails, and a 25% chance you will get three emails. What is the expected number of emails you will get on a given night? A) 0.75 B) 0.35 C) 0.80 D) 1.9 

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