The amount of coffee that people drink per day is normally distributed with a mean of 1? ounces and a standard deviation of 4 ounces. 12 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ MES] b. What is the distribution of i? :E .. Ni:],:]} c. What is the probability that one randomly selected person drinks between 16.5 and 1?.5 ounces of d. For the 12 people, nd the probability that the average coffee consumption is between 16.5 and 1?.5 ounces of coffee per day. e. For part d], is the assumption that the distribution is normal necessary? 0 YesC' No . Find the IQR for the average of 11 coffee drinkers. IQR: '11 (Ill I'ICE'S

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