A standard deck of cards contains 52 cards. One card is selected from the deck.

(a)

Compute the probability of randomly selecting a spade or diamond.

(b)

Compute the probability of randomly selecting a spade or diamond or club.

(c)

Compute the probability of randomly selecting a four or club.

a.P(spade or diamond)=

nothing

(Round to three decimal places asneeded.)

b.P(spade or diamond or club)=

nothing

(Round to three decimal places asneeded.)

c.P(four or club)=

nothing

(Round to three decimal places asneeded.)