The Probability That a Particular Brand of Smoke Alarm Will

question 25

Multiple Choice

The probability that a particular brand of smoke alarm will malfunction in the presence of smoke is 0.002. A batch of 100,000 such alarms was produced by independent production lines. Which of the following distributions would you use to figure out the probability that at most 5,000 of them will malfunction in case of a fire?

• A) binomial distribution
• B) Poisson distribution
• C) both of the above
• D) none of the above

---

Definitions:

Random Assignment

A method used in experiments to equally distribute participants across different groups to minimize biases and ensure that the groups are comparable.

Control Group

In experimental research, a group of subjects that does not receive the experimental treatment, used as a benchmark to measure how the other tested subjects perform.

Experimental Group

In experimental research, this is the group of subjects who receive the treatment or intervention being tested.

Interactive Effects

The combined impact of two or more variables when they interact with each other, often in a way that could not be predicted by considering each variable in isolation.