1) The probability of getting exactly three girls in a family of five children.

2)The probability of getting at least two boys in a family of seven children.

3) The probability of getting a total of 15 when four dice are thrown.

4) Assume that ten percent of us are left-handed. The probability of getting at least two left-handed people in a group of 7.

5) The probability that when 75 people are surveyed, at least five of them have the same birth date. (Ignore leap years).