More energy Exercise 33 shows the results of a Gallup Poll about energy. Suppose we select three people at random from this sample. a) What is the probability that all three responded “Protect the...

More energy Exercise 33 shows the results of a Gallup Poll about energy. Suppose we select three people at random from this sample.

a) What is the probability that all three responded “Protect the environment”?

 b) What is the probability that none responded “Equally important”?

c) What assumption did you make in computing these probabilities?

d) Explain why you think that assumption is reasonable.