Chapter 5 - Discrete Probability Distributions - 5-2 Probability Distributions - Beyond the Basics: 25

a)-0.39 b) A bet on number 27.

Work Step by Step

a)The expected value is: $30\cdot \frac{5}{38}+(-5)\cdot\frac{33}{38}=-0.29$ b)The expected number of betting on number 27 is more than betting on the 5 numbers, therefore it is better.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.