determine the sample size needed if the confidence interval is 94% that the sample portion is within 4% of the population proportion

x Chapter 4;5;6 Revi... * Chapter+4%205%... x Chapter+4%205%... x Untitled Notebook x 8.1.oer7.3Lesson x 9.10er%288.2%29. T C. What would happen to the interval if you did 89% confidence? Use the following information to answer the next five exercises: Of 1,050 randomly selected adults, 360 identified themselves as manual laborers, 280 identified themselves as non-manual wage earners, 250 identified themselves as mid-level managers, and 160 identified themselves as executives. In the survey, 82% of manual laborers preferred trucks, 62% of non-manual wage earners preferred trucks, 54% of mid-level managers preferred trucks, and 26% of executives preferred trucks