Solve using combination.
A computer randomly generates a four letter password. How many passwords are possible if letters may repeat?
Solve using permutation.
In a sweepstakes with ninety entries, the selected winners each get one of ten big screen tv's. How many possible outcomes are there.
A computer randomly generates a four letter password. How many passwords are possible if letters may repeat?
Solve using permutation.
In a sweepstakes with ninety entries, the selected winners each get one of ten big screen tv's. How many possible outcomes are there.