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The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and a standard deviation of 6.5 ounces. 33 randomly selected people are surveyed. Round all answers to 4 decimal places where possible.
What is the distribution of X? X ~ N(____,____)
What is the distribution of `x? `x ~ N(_____,____)
What is the probability that one randomly selected person drinks between 14.8 and 15.1 ounces of coffee per day? ________
For the 33 people, find the probability that the average coffee consumption is between 14.8 and 15.1 ounces of coffee per day. _______
For part d), is the assumption that the distribution is normal necessary? Yes OR No
Find the IQR for the average of 33 coffee drinkers.
Q1 = _________ ounces
Q3 = ________ ounces
IQR: _______ ounces
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Estimate the population mean
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