Find probability that eight have relief within a few minutes

Reference no: EM13157240

A manufacturer of headache medicine claims it is 70 percent effective within a few minutes. That is, out of every 100 users 70 get relief within a few minutes. A group of 12 patients are given the medicine. If the claim is true, what is the probability that 8 have relief within a few minutes?

A. 0.001
B. 0.168
C. 0.667
D. 0.231

Reference no: EM13157240

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