Suppose the expected value of a measurement is 4 cm.
Which set of measurements is the MOST precise?
A. 2 cm, 2 cm, 4 cm, 6 cm
B. 3.0 cm, 2.9 cm, 3.1 cm, 3.1 cm
C. 3.5 cm, 4.0 cm, 4.5 cm, 5.0 cm
D. 6 cm, 8 cm, 5 cm, 9 cm

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.