Archive for the ‘design’ tag
Cards Deck
How many ways can 2 successive cards be drawn from a 52 card deck?
How many ways can 2 successive cards be drawn from a standard 52 card deck without replacement?
a. the first card is a seven and the second card is a face card ____ ways?
b. the first card is a seven and the second card is a heart(watch out for 7 of hearts) _____ways?
a. There a 4 ways to draw a seven and 12 to draw a face card, so 48 in all
b. There a 3 ways to draw a seven not of hearts, then 13 ways to draw a heart or you draw the seven of hearts then 12 ways to draw another heart. So 3×13+12 = 51 in total