Sonia rolls a six-sided number cube 12 times and records if she rolls a 2. What is the number of trials for this binomial experiment?
Answer
A
2
B
6
C
18
D
12
Explanation
The number of trials is the number of times Sonia rolls the cube. She rolls it 12 times, so this binomial experiment has 12 trials. Choice D, 12, is correct.
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