A research firm needs to estimate within 3% the proportion of junior executives leaving large manufacturing companies within three years. A 95% level of confidence is to be used. Several years ago, a study revealed that 21 % of junior executives left their company within three years. To update this study, how many junior executives should be surveyed? Multiple Choice 594 612 709 897 Next MC Graw Hill Education 3 of 10 ( Prev 414 AM 11/17/201 pe here to search # BER

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