9
RCMultiple Select

Probability of Compound Events — Cumulative exam

Question 9 • Math Models A

Which statements about experimental probability are true? Select three options.

Answer
A
Experimental probability has the total number of trials in the numerator and the number of times an event occurs in the denominator.
B
Experimental probability is the same as theoretical probability.
C
An experiment to determine probability will include a number of trials.
D
A probability experiment will count the number of times an event occurs.
E
Experimental probability can be written in the form of a ratio.

Explanation

An experiment used to estimate probability involves repeated trials and counts how many times the event occurs. Experimental probability is the number of times the event occurs divided by the total number of trials, so it can be written as a ratio. Therefore, C, D, and E are true; A reverses the ratio, and experimental probability is not necessarily the same as theoretical probability.

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