a card is drawn from a standard deck of cards. determine whether the events are mutually exclusive or inclusive. then, find the probability: P(a 4 or a club)

Question

anonymous · Answer

is there a 4 of clubs?  if so then not mutually exclusive

anonymous · Answer

13 clubs and 4 "fours" but you don't count the 4 of clubs twice, so answer is 16/52

amistre64 · Answer

P(4 or club) = P(4) + P(club) - P(4andClub)

anonymous · Answer

$$P(A\cup B)=P(A)+P(B)-P(A \cap B)$$

amistre64 · Answer

$$\frac{4}{52}+\frac{13}{52}-\frac{1}{52}$$

anonymous · Answer

true, but i like to count.  especially cards and dice

amistre64 · Answer

257 = 1025 .... ☺

amistre64 · Answer

☺=☺

anonymous · Answer

is it inclusive or exclusive