In an all boys school, the heights of the student body are normally distributed with a mean of 67 inches and a standard deviation of 5 inches. Using the empirical rule, determine the interval of heights that represents the middle 95% of male heights from this school.

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.