Marlene lives in a building where half the residents live on the first floor and half live on the second floor. She wants to est
imate the probability that, out of 3 randomly selected residents, 1 or 2 live on the first floor.
She uses a coin to conduct a simulation, by letting H represent someone living on the first floor and T represent someone living on the second floor and then flipping the coin three times. She repeats this process for a total of 15 trials. The results are shown in the table.
Estimated probability that 1 or 2 of 3 randomly selected residents live on the first floor: ________
A.1/2
B.1/6
C.5/6
D.5/12
She uses a coin to conduct a simulation, by letting H represent someone living on the first floor and T represent someone living on the second floor and then flipping the coin three times. She repeats this process for a total of 15 trials. The results are shown in the table.
Estimated probability that 1 or 2 of 3 randomly selected residents live on the first floor: ________
A.1/2
B.1/6
C.5/6
D.5/12
2 answers:
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