In a binomial experiment, the probability of success is 0.06. What is the probability of two successes in seven trials?
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Step 1: Calculate the combination of 7 trials taken 2 at a time: \[ \binom{7}{2} = \frac{7!}{2!(7-2)!} = \frac{7 \times 6}{2 \times 1} = 21 \] Show more…
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