SOLUTION: this is a probability question: What is the probability of drawing 3 cards that are all 7 from a deck of cards? The answer key shows 1/140608 as the answer, but I do not know

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Question 664032: this is a probability question:
What is the probability of drawing 3 cards that are all 7 from a deck of cards?
The answer key shows 1/140608 as the answer, but I do not know how that answer was gotten. Please help - Thanks.
P. Rochelle
rosenwald56@att.net
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming that replacements are made after you draw each card.

There is only one way to draw 3 seven cards.

There are 52^2 = 140,608 ways to draw 3 cards (where replacements are made)

So the probability is 1/140608