i have no idea which technique of probability to choose. here is the problem...(adsbygoogle = window.adsbygoogle || []).push({});

1. a five-card poker hand is dealt and the last card is turned face up. Determine the probability that you have been dealt four aces, given that the card turned over is an ace.

2. I how many ways can a group of 10 people be chosen from 6 adults and 8 children if the group must contain at least 2 adults

i tried #1, i get like (52 choose 5)*(5 choose 4) but the book turns out to be 1/20825

and for the second one, i have no clue where to start

NOTE: can anyone help me to find a way when to use the different kinds of technique in probability, coz im so confused...

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# Deck of card probability

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