Mathematics, 21.05.2020 00:57, alimfelipe

Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probability that exactly 4 students have taken chemistry? Round the answer to the nearest thousandth.

P (k successes) = Subscript n Baseline C Subscript k Baseline p Superscript k Baseline (1 minus p) Superscript n minus k. Subscript n Baseline C Subscript k Baseline = StartFraction n factorial Over (n minus k) factorial times k factorial EndFraction
0.005
0.008
0.213
0.227

Answers: 3

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Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 stu...