The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 7 ounces. 35 randomly selected people are surveyed. Round all answers to 4 decimal places where possible. What is the probability that one randomly selected person drinks between 16.9 and 17.3 ounces of coffee per day? For the 35 people, find the probability that the average coffee consumption is between 16.9 and 17.3 ounces of coffee per day. Can you show me how to do this on a ti84

Question

The amount of coffee that people drink per day is normally distributed with a mean of 17 ounces and a standard deviation of 7 ounces. 35 randomly selected people are surveyed. Round all answers to 4 decimal places where possible.

What is the probability that one randomly selected person drinks between 16.9 and 17.3 ounces of coffee per day?

For the 35 people, find the probability that the average coffee consumption is between 16.9 and 17.3 ounces of coffee per day.

Can you show me how to do this on a ti84

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