What is the probability that a seven digit phone number

Reference no: EM13120496

Finding the probability repeats in finite sequences
1. What is the probability that out of 3 people, 2 were born in the same month.

2. What is the probability that a seven digit phone number has 1 or more repeats.

3. What is the probability that given 5 letters selected randomly from the alphabet, none is repeated?

4. What is the probability 2 of more randomly selected senators have the same birthday (100 senators).

Reference no: EM13120496

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