How much Caffeine in Coffee? An 8 Ounce brewed coffee has 95 mg of Caffeine and is normally distributed with a standard deviation of 2 mg.

Estimate the Probabilities of Caffeine content: P ( X > 90 mg):

P ( X < 95 mg):

P ( 91 < X < 99):

At 80 % Probability all Caffeine content in Coffee will fall between what?