The mean weight of 500 male students at a certain college is 158lb and the standard deviation is 16 Ib. Assuming that weights are normally distributed, find how many students weigh; Between 140 and 160 а. 200 b. 225 с. 65 d. 210 More than 160 а.225 b. 65 C. 210 d. 200 Less than 140 а. 225 b. 200 С.65 d. 210

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