Please show work.
What are the probabilities that, from a normal pack of playing cards:
A. A single card picked blind will be a diamond?
B. A deuce of hearts will be removed followed by a diamond?
C. A single card picked will be either a diamond or a spade?
D. Four cards picked out will be two aces and two queens?
(Assume that, in parts B and D, each card that is removed from the deck is replaced and the deck shuffled before the next card is removed.)
Some knowledge of cards before we solve the probabilities:
There are 52 cards in a pack and there are 4 different suits i.e
hearts, diamond , spades and clubs.
13 cards of each suits.(Ace to 10 and one joker , queen and
king.)
a)A single card picked blind will be a diamond?
Since there are 13 cards of diamonds in 52 cards therefore the probability of selecting a diamond from 52 cards is:
b)A deuce of hearts will be removed followed by a diamond
Since there is only one deuce of heart therefore probability of selecting it is :1/52
and probability of selecting a diamond is:13/52( since we are replacing the cards)
Therefore the collective probability is :
c)A single card picked will be either a diamond or a spade?
Since there are 13 of each diamond or spade therefore the collective probability is :
d) Four cards picked out will be two aces and two queens?
Since there are 4 aces and 4 queens therefore picking one by one the collective probability is :
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