1.

Two cards are drawn together from a pack of 52 cards.the probability/that one is spade and one is a heartis

Answer»

N(s)= 52
A be the SPADE
n(a)=13
p(a)=13/52
B be the HEARTIES
n(b)=4
p(b)=4/52
ANB=1
p(AUB)=p(a)+p(b)-p(AnB)
=13/52+4/52-1/52
=18/52
=9/26


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