The Probability That a Particular Brand of Smoke Alarm Will

question 25

Multiple Choice

The probability that a particular brand of smoke alarm will function properly and sound an alarm in the presence of smoke is 0.8. You have 5 such alarms in your home and they operate
Independently. Which of the following distributions would you use to determine the probability
That all of them will function properly in case of a fire?

• A) Binomial distribution.
• B) Poisson distribution.
• C) Normal distribution.
• D) Hypergeometric distribution.

---

Definitions:

Electric Bill

A monthly charge for the consumption of electricity, typically issued by an electricity provider.

Accounting Equation

The foundational equation in accounting, representing the relationship between assets, liabilities, and equity (Assets = Liabilities + Equity).

Supplies

Consumable items or materials used in the daily operations of a business or for the completion of a task.

Withdrawal

The act of removing funds from an account or the act of taking out resources or assets from business use by the owners.