The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and a standard deviation of 5 ounces. 34 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X~ N( b. What is the distribution of x? a ~ N( c. What is the probability that one randomly selected person drinks between 13.5 and 14.1 ounces of coffee per day? d. For the 34 people, find the probability that the average coffee consumption is between 13.5 and 14.1 ounces of coffee per day. e. For part d), is the assumption that the distribution is normal necessary? No Yes Get help: Written Example

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.