In: Statistics and Probability
1. From 7 consonants and 5 vowels,how many words can
be formed consisting of 4 different consonants and 3 different
vowels? The words need not have meaning.
2. In the game of poker5 cards are drawn from a pack of 52
well-shuffled cards. Find the probability that (a) 4 are aces, (b)
4 are aces and 1 is a king, (c) 3 are tens and 2 are jacks, (d) a
nine, ten, jack, queen, king are obtained in any order, (e) 3 are
of any one suit and 2 are of another, (f) at least 1 ace is
obtained.
3. Determine the probability of three 6s in 5 tosses of a fair
die.
4. A shelf has 6 mathematics books and 4 physics books. Find the
probability that 3 particular mathematics books will be
together.