E. Edul x Stuc x h SYN X Que X z_Di X (181 X LSU COU X LSU Assi X Cap X LSU Wel X ) Con X C Exer X C The X C You X Das X + C ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fnewconnect.mheducation.com%252F#/activi... * Update : Topic 4 Assignment i Saved Help Save & Exit Submit Check my work 10 Exercise 9-63 (Algo) (LO9-4) 1.66 A study conducted several years ago reported that 19 percent of public accountants changed companies within 5 years. The American points Institute of CPAs would like to update the study. They would like to estimate the population proportion of public accountants who changed companies within 5 years with a margin of error of 5% and a 90% level of confidence. (Use t Distribution Table & z Distribution Table.) (Round your z-value to 2 decimals. Round up your answers to the next whole number.) Required: eBook a. To update this study, the files of how many public accountants should be studied? References Sample size 334 b. How many public accountants should be contacted if no previous estimates of the population proportion are available? Sample size 543 Mc Graw Hill