In a large business statistics class, the professor has each person select stocks by using computer-generated random numbers. the stocks were from a journal in which exactly half the publicly traded stocks went up and half went down. the students then check to see whether their stock rose or tell the next day and report their proportion of "successes". complete parts (a) through (d) below. a) the students use computer-generated random numbers to choose 16 stocks ea h. use the 68-95-99.7 rule to describe the sampling distribution model about 68% should have proportions between and about 95% between and and about 99.7% between and (type integers or decimals.)