Question

You invent a game that costs $3 to play where a single die is rolled. If a 3 comes up you win $9, andif a 6 comes up you win $10, and if anything else comes up you win nothing. Find the expectedvalue of playing 20 times.

Answer 1

Given: You invent a game that costs $3 to play where a single die is rolled. If a 3 comes up you win $9, and if a 6 comes up you win $10, and if anything else comes up you win nothing

To Determine: The expected value of playing 20 times

Solution