Question

One card is drawn from a well shuffled deck of 52 cards. Find the probability of getting :
1. red face card 2. a spade 3. either a king or a black cards

Answer 1

Answer:S=(spade-1,2,3,4,5,6,7,8,9,10,joker,queen,king

Club-1,2,3,4,5,6,7,8,9,10,joker,queen,king

Heart-1,2,3,4,5,6,7,8,9,10,joker,queen,king

Diamond-1,2,3,4,5,6,7,8,9,10,joker,queen,king

n(s)=52)

Event A= red face card

A=(Heart-1,2,3,4,5,6,7,8,9,10,joker,queen,king

Diamond-1,2,3,4,5,6,7,8,9,10,joker,queen,king)

n(A)=26

Event B=a spade

B=(spade-1,2,3,4,5,6,7,8,9,10,joker,queen,king)

n(B)=13

Event C=

either a king or a black cards

C=(spade king, club king, heart king,diamond king,

spade-1,2,3,4,5,6,7,8,9,10,joker,queen,king

Club-1,2,3,4,5,6,7,8,9,10,joker,queen,king)

n(C)=30