Suppose a poll of 1108 adults asked whether increasing domestic energy production or protecting the environment should
Question:
Suppose a poll of 1108 adults asked whether increasing domestic energy production or protecting the environment should be given a higher priority. The results are shown to the right. Suppose we select three people at random from this sample. Complete parts a) through d) below.
a) What is the probability that all three responded "Increase production"? ___. (Round to three decimal places as needed.)
b) What is the probability that none responded "Equally important"? ___. (Round to three decimal places as needed.)
c) What assumption must be made to compute these probabilities?
A. The events occur simultaneously.
B. The order of the events does not matter.
C. The events are disjoint.
D. The events are independent.
d) Explain why that assumption is reasonable.
A. The same poll Is given to each respondent.
B. Each option has at least one response.
C. The results are known beforehand.
D. The people were selected at random.
