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The length of elephant pregnancies is approximately normal with a mean of 660 days and a standard deviation of 22 days. What proportion of all pregnancies will last between 587 and 684 days? (a) Draw an appropriate curve with parameters labeled and shade in the area you are finding for this problem. (b) Determine the proportion of all pregnancies that will last between 587 and 684 days. (c) Interpret your results from part (b). Previous Page Next Page Page 10 of 15