4
ALMultiple Choice

Normal Distributions

Question 4 • EAP-Algebra Functions and Data Analysis B

Suppose that you ask three friends to go to the mall. Each one has a 0.80 chance of saying yes. What is the probability that all three friends will say they can go to the mall with you?

Answer
A
0.096
B
0.384
C
0.512
D
0.64

Explanation

For all three friends to say yes, each friend must say yes. Assuming their answers are independent, multiply the probabilities: 0.80 × 0.80 × 0.80 = 0.512. So the probability is 0.512, choice C.

AI-written and checked against the verified answer.

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