Mathematics, 25.07.2019 01:50 imstoopid69

The international bottled water association says that americans on the average drink 4.6 servings of water a day (measured as 8-oz servings). assume that the number of servings of water is approximately normally distributed with a standard deviation of 1 servings. (give your answers correct to four decimal places.) hint: this is a z-score problem. draw the curve and write in the mean, then think about the problem. (a) what proportion of americans drink more than the recommended 8 servings? (b) what proportion of americans drink less than half the recommended 8 servings?

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The international bottled water association says that americans on the average drink 4.6 servings of...