Question

mathematics. math 003. fall 2025
homework: unit 4 - mean, median and mode, and probability
question 21, 7.4.vrc - 6
select the correct choice that completes the sentence below.
a probability of means that an event is certain to occur.

Explanation:

Step1: Recall probability concept

Probability ranges from 0 to 1.

Step2: Identify certain - event probability

A probability of 1 means an event is certain to occur. 0 means impossible and - 1 is not in the range of valid probabilities.

Answer:

1