Question: A trainer is teaching a dolphin to do a new trick. The probability that the dolphin successfully perfoms the trick is 65%, and the probability

A trainer is teaching a dolphin to do a new trick. The probability that the dolphin successfully perfoms the trick is 65%, and the probability that the dolphin does not successfully perform the trick is 35%.

Out of 20 attempts, how many times would be expect the dolphin to perform the trick successfully?

What would be the standard deviation?

What is the probability that the dolphin performs successfully only 10 times?

What is the probability that the dolphin performs successfully at least 15 times?

What is the probability that the dolphin performs successfully less than half of the times?

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