Question

On a finance exam, 2 students received an A, 2 students received a B, and 14 students received a C. If a single student is picked at random, what is the probability that they received an A or C?

Answer 1

`(8)/(9)`

Explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

If a single student is picked at random, what is the probability that they received an A or C?

Desired outcomes

Student got an A or C

2 students received an A

14 students received a C

16 total outcomes

Total outcomes

2 students received an A

2 students received a B

14 students received a C

18 total outcomes.

Therefore, the probability is 16/18 = 8/9.