Mathematics, 30.01.2020 11:04 Hosanna130
Marlene lives in a building where half the residents live on the first floor and half live on the second floor. she wants to estimate 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
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