A die is rolled.The individual rolling the die will receive the number that lands in dollars (i.e.if it lands 1,they receive $1,if it lands two,they receive $2,etc).The expected value of the die roll is
A) $1.00
B) $2.25
C) $3.50
D) $6.00

Question

Quizplus · Accepted Answer

The expected value is calculated by multiplying each outcome by its probability and then summing those values. For a fair six-sided die, each side has a probability of 1/6. Thus, the expected value is (1+2+3+4+5+6)/6 = 21/6 = $3.50.

A Die Is Rolled