Question

What is the probability that number selected
from the number 1, 2, 3, .... 20 is not
a multiple of 3.​

Answer 1

Answer:

P(E)= (20-6)/20

=14/20

=7/10

Answer 2

Answer:

Number of multiples of three = 6

Numbers that aren't a multiple of three = 20 - 6

= 14

Probability{P(E)} = 14/20

= 7/10

Hope it helps you!

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