In: Statistics and Probability
(5) What is the probability that a five card hand dealt from a standard deck of cards will include fourcards of the same value? (This kind of hand is called a "four of a kind" in Poker.)
(6) A fair coin is tossed ten times in a row.
(a) What is the probability that "heads" comes up exactly five times?
(b) What is the probability that "heads" come up at least eight times?
(c) What is the probability that "heads" come up at least once?
You flip a coin 8 times. What is the probability of seeing exactly four tails?
128/256
186/256
70/256
4/256