SOLUTION: A student must choose 3 questions out of 5 on a math test. What is the probability the student selects the first 2?

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Question 437285: A student must choose 3 questions out of 5 on a math test. What is the probability the student selects the first 2?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

A student must choose 3 questions out of 5 on a math test: 

5C3 = 10 ways of choosing 3 out of the 5 questions

P(choosing 1st 2) = 3/10

Sample Space

 1,2,3

 1,2,4

 1,2,5

 1,3,4

 1,3,5

 1,4,5

 2,3,4

 2,3,5

 4,2,5

 5,3,4