Question

If 2 cards are drawn from a deck of 52 cards, what is the expected number of spades?
A. 0.75
B. 0.25
C. 0.50
D. 0.47

Answer 1

B

Answer 2

careful here

Answer 3

probability you get a spade is in fact \(\frac{1}{4}\) but you are asked for expected value, not the probability

Answer 4

\[\frac{1}{4}\times 2=\frac{1}{2}=.5\]