If there is a 50% probability that Joseph will earn $10 per hour at his job today and a 50% probability that he will earn $20 per hour today,his expected pay per hour is:

A) $10.00.
B) $12.50.
C) $15.00.
D) $20.00.

Expected Pay

The anticipated or forecasted amount of money one expects to receive for work performed or investment.

Probability

A measure of the likelihood that a specific event will occur, expressed as a number between 0 and 1.

Hourly Rate

A rate of payment for one hour of work, often used to calculate wages for part-time or contract employees.