Mobile Phones Sales

question 63

Short Answer

Mobile Phones Sales
After analyzing sales data,the owner of a Mobile Phone store produced the following joint probability distribution of the number of iPhones (X)and Blackberries (Y)sold daily. ​ ​
-{Mobile Phones Sales Narrative} Compute the variance of the number of Blackberries sold daily.

---

Definitions:

Monthly

Occurring every month or once a month.

Compounded Quarterly

A process of calculating interest where the interest earned is added to the principal at the end of every three months, leading to an increase in the amount on which subsequent interest is calculated.

Semi-Annually

Occurring twice a year; typically refers to payments or adjustments made every six months.

Withdraw

To take money out of an account or to remove oneself from a particular situation.