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The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 6 ounces.
The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 6 ounces. 34 randomly selected people are surveyed. Round all answers to 4 decimal places where possible.
- What is the distribution ofX?X~ N(___________, _________)
- What is the distribution ofx?x~ N(________, _________)
- What is the probability that one randomly selected person drinks between 13.8 and 14.1 ounces of coffee per day?(_________)
- For the 34 people, find the probability that the average coffee consumption is between 13.8 and 14.1 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 34 coffee drinkers.
- Q1 = (___________)ounces
- Q3 =(___________)ounces
- IQR:(____________)ounces
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