Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
Americans consume an average of 1.64 cups of coffee per day. Assume the variable is normally distributed with a standard deviation of .94 cups.
Americans consume an average of 1.64 cups of coffee per day. Assume the variable is normally distributed with a standard deviation of .94 cups. If a person is selected at random, what is the probability she will drink less than 2 cups of coffee per day?