# Question

(a) How many different 7-place license plates are possible if the first 2 places are for letters and the other 5 for numbers?

(b) Repeat part (a) under the assumption that no letter or number can be repeated in a single license plate.

(b) Repeat part (a) under the assumption that no letter or number can be repeated in a single license plate.

## Answer to relevant Questions

A dance class consists of 22 students, of which 10 are women and 12 are men. If 5 men and 5 women are to be chosen and then paired off, how many results are possible? Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible? From a group of n people, suppose that we want to choose a committee of k, k ≤ n, one of whom is to be designated as chairperson. (a) By focusing first on the choice of the committee and then on the choice of the chair, ...Prove the multinomial theorem. Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent wear a necklace. If one of the students is chosen randomly, what is the probability that this ...Post your question

0