1. Suppose that amount of coffee dispensed by a single-cup coffee maker follows a normal distribution centered at 13 ounces with a standard deviation of 0.6 ounces. Then, find the probability that the machine will dispense between 12 and 13 ounces.
2. If you draw two cards from a standard deck with replacement, then what is the probability of drawing a red face card followed by a black number less than 5. Hint: Aces are high
3. Suppose that serving times at Starbucks follow a uniform distribution from 5 to 15 minutes. Then, find the probability of being served in 5 minutes or less.

Let X be the birth weight (in kg) for boys in the United States. Suppose that ~(3.41, 0.55). What proportion of baby boys in the US are born weighing between 2.31 and 4.51 kg?