A number is chosen from 1 to 20. What is the probabilit... – Statistics

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A number is chosen from 1 to 20. What is the probability that it is a prime number?

A7/20

B8/20

C9/20

D1/2

✓ Correct Answer: B — 8/20

Prime numbers between 1 and 20: 2, 3, 5, 7, 11, 13, 17, 19 (total 8). 8/20 = 2/5.

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