Question

from a pack of 52 playing cards three cards are drawn at random a black queen b a non face card c a black jack d a black queen or a red queen

Answer 1

Step-by-step explanation:

S = { 13 diamond cards , 13 spade cards , 13 heart cards , 13 club cards }

n (S) = 52

a) Black queen

A={ Spade queen , club queen }

n (A) = 2

probability (A) = n (S) / n (A) = 52/2 = 26

b) a non face card

B = { 1,2,3,4,5,6,7,8,9,10 of Spade ,Club, Heart and Diamond}

n(B) = 40

probability (B) = n (S)/n (B) = 52/40 = 13/10

c) a black jack

C = {Spade jack, club jack}

n (C) = 2

probability (C) = n (S) / n (C) = 52/2 = 26

d) black or red queen

D = { Spade queen , heart queen , diamond queen , club queen}

n (D) = 4

probability (D) = n (S) / n(A) = 52/4 = 13

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