What is the probability of pulling the 2 of clubs from a standard deck of playing cards (52 cards)?

.25??

What is the probability of NOT rolling a 5 on a six-sided die?

3/6? or 5/6?

What is the probability of pulling a diamond from a standard deck of playing cards (52 cards)?

.25?

What is the probability of pulling an Ace from a standard deck of playing cards (52 cards)?

.77?

1 answer

1. there is only ONE 2 of clubs, so the prob of your event = 1/52
How did you get .25 ??

2. prob(a 5) = 1/6
so prob(not a 5) = 1 - 1/6 = 5/6

3. How many diamond cards are there ??

4. there are 4 aces, so prob(ace) = 4/52 = 1/13

again, how did you get those decimals in #4 and #5 ?