



 
Hi Patrick. When dealing with probabilities, you multiply independent choices together. For example, the probability of drawing a heart from a full deck of cards is 25%. If I draw a card from each of two full decks, the probability that both are hearts is 25% x 25% = 6.25%. One technique we can use is a probability tree. Here is one fitting your description: So your calculations are correct. Stephen La Rocque. >  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 