#20

8 x 9 10 11 12 13 14 15 16 17 18 19 Suppose that 16% of the people in a large city have used a hospital emergency room in the past year. If a random sample of 140 people from the city is taken, continuity. approximate the probability that at least 23 used an emergency room in the past year. Use the normal approximation to the binomial with a correction for Round your answer to at least three decimal places. Do not round any intermediate steps. (If necessary, consult a list of formulas.) X