Professor Sanchez has been teaching Principles of Economics for over 25 years. He uses the following scale

Question:

Professor Sanchez has been teaching Principles of Economics for over 25 years. He uses the following scale for grading.

a. Depict the above probability distribution graphically. Comment on whether or not the probability distribution is symmetric.
b. Convert the above probability distribution to a cumulative probability distribution.
c. What is the probability of earning at least a B in Professor Sanchez€™s course?
d. What is the probability of passing Professor Sanchez€™scourse?

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...