3. If a number is chosen at random from the numbers 1 to 20 inclusive,
what is the probability that an even number will be picked?
A.1/2
B.3/5
C.1/3
D. 2/4
4. If a number is chosen at random from the numbers 1 to 20 inclusive,
what is the probability that a single digit number will be picked?
A.9/2
B.9/23
C.9/3
D.9/20
5. A bag contains 7 white balls, 3 red balls, and 2 black balls. A ball is picked
from the bag at random. Find the probability of picking a red ball.
A.1/2
B.1/4
C. 2/5
D. 1/3
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