Question

Two cards are picked at random from a pack of 52 playing cards. The cards are replaced after each selection. Calculate the probability that these cards are picked.
a Two kings
b A red card and a black card

with full steps​

Answer 1

Step-by-step explanation:

हमें शायर समझ के यूँ नजर अंदाज मत करिये,

नजर हम फेर ले तो हुस्न का बाजार गिर जायेगा

Answer 2

Answer:

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• There are 4 kings , the number of ways to draw 2 kings is :

• 4C2 = 4!/(2! × 2! ) = 6

• the number of ways to draw 2 cards from a pack of 52 cards is

• 52C2 = 52! / (50 ! ×2 ! )= 26 ×51 = 1326

• So probability of drawing two king is

= (6/1326)

=1/221