Answer to Question #26451 in Statistics and Probability for mike
15·0.8 = 12
students pass the chapter test on congruent triangles and the probability that a student will pass the chapter test is
p = 12/15 = 4/5 = 0.8.
Therefore, the probability that a least one student from 15 will fail is
P = 1 - (no one student will fail) =
= 1 - 0.8^15 ≈ 0.965.
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