The Probability That a Particular Brand of Smoke Alarm Will

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.