What is the probability of drawing a spade from a standard deck of cards on a second draw, given that a spade was drawn on the first draw and not replaced

Question

perl · Answer

if you draw a spade on the first draw, how many spades are left

anonymous · Answer

51?

perl · Answer

51 is the number of cards left in the deck. how many spades are left , if you draw a spade on first draw?

perl · Answer

hint: there are 13 spades in a full deck of 52 cards.

anonymous · Answer

12

perl · Answer

right :)

perl · Answer

so you have your numerator and denominator

anonymous · Answer

which one is the numerator

perl · Answer

Probability = # favorable / # total 

so the numerator will be 12 , since the favorable event here is picking a spade