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2. 2. Six-week-old babies consume a mean of 15 ounces of milk per day, with a standard deviation of 2 ounces. Assume that the distribution is normal. a. Find the probability that a randomly chosen baby consumes less than 12 ounces of milk per day. b. Find the probability that a randomly chosen baby consumes greater than 18 ounces of milk per day. c. Find the amount of milk represents the 90* percentile