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4.3 Exercise 2

Avg difficulty 2.5

A trainer is teaching a dolphin to do tricks. The probability that the dolphin successfully performs the trick is 35 percent, and the probability that the dolphin does not successfully perform the trick is 65 percent. Out of 20 attempts, you want to find the probability that the dolphin succeeds 12 times. State the probability question mathematically.

OpenStax Statistics, 4.3 Binomial Distribution (Optional), exercise 2

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