A card is drawn from a standard deck of playing cards is .
The event is .
The probability of P(queen) is .
The probability of P(Club) is
Events that are not mutually exclusive: .
The event is mutually exclusive event.
\Then, .
The probability of is
(Substitute
,
and
)
(Add)
(Simplify)
The probability is or about
.
The probability is or about
.