On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town.

Question:

On hot, sunny, summer days, Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probability distribution to the number of tubes she will rent on a randomly selected day.

(a) Calculate the expected value and standard deviation of this random variable X by using the PDF shown.

(b) Describe the shape of this distribution.

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...