According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled. Preliminary: a. Is it safe to assume that n < 0.05 of all subjects in the population? Yes No b. Verify np(1 - p) > 10. np(1 - p) Problem: Suppose we are interested in the probability percentage that 121 or more Americans in the survey are afraid to fly. a. What is the point estimate? Round to two decimal places. Ô b. Draw a figure by shading the region that corresponds to the scenario given the Z-score is z = 1.1.