Times Spent Using a Tablet or Smartphone Every Week by Primary

question 115

Short Answer

Times spent using a tablet or smartphone every week by primary school students follow an exponential distribution with mean 10 hours.The probability that a given primary school student spends between 10 and 15 hours using a tablet or smartphone is _______

---

Definitions:

Interest Rates

The cost of borrowing money or the return on investment, typically expressed as a percentage of the principal.

Present Value

The current value of a future sum of money or stream of cash flows given a specified rate of return.

Interest Rate

The percentage of a loan charged to the borrower as interest, usually presented as an annual rate of the remaining loan balance.

Present Value

The calculated present value of a prospective sum of money or cash flow stream, utilizing a given rate of return.