Question: 1: In a different plan for area codes, the first digit could be any number from2 through6, the second digit was either0,1,2,or3, and the third

1: In a different plan for area codes, the first digit could be any number from2 through6, the second digit was either0,1,2,or3, and the third digit could be any number except2or5. With this plan, how many different area codes are possible?

2: A medical researcher needs 8 people to test the effectiveness of an experimental drug. If

11 people have volunteered for the test, in how many ways can

8 people beselected?

3: A 12-sided die is rolled. The set of equally likely outcomes is {1,2,3,4,5,6,7,8,9,10,11,12}. Find the probability of rolling a number less than 3

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