The weight, in grams, of the pair of kidneys in adult males between the ages of 40 and 49 have a bell-shaped distribution with a mean of 315 grams and a standard deviation of 35 grams. What percentage of kidneys weighs between 210 grams and 385 grams? Round your answer to the nearest integer.
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Are you taking a stats class? Are you familiar with the normal distribution?
im taking a probability class....i was absent for the class and its due in 58 minutes
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no we where on mean median and mode the last time i was in class
Well this may be a little advanced, but not too much. You may have just missed that lesson heh.
Take a lookie here: http://davidmlane.com/hyperstat/z_table.html
you can put in the mean and std dev and interval. the area under the graph is the percentage you are looking for.