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exis [7]
3 years ago
12

find the probability of at least 3 successes in a 3 trials of a binomial experiment i which the probability of successe is 50%

Mathematics
1 answer:
katrin2010 [14]3 years ago
7 0

each trial is independent so do

.5 x .5 x .5 or .5^3

.125 is the probability.

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