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(Disjoint vs. overlapping events) If you are picking a number between 1-20 what is the probability that you will pick a number greater than 14 or less than 4?
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(Disjoint vs. overlapping events) If you are picking a number between 1-20 what is the probability that you will pick a number greater than 14 or less than 4?

User Moty
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2 Answers

2 votes
greater than 14 = 6/20
less than 4 = 3/20
add them together: 6/20+3/20= 9/20

User Zsolt Szatmari
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8.8k points
2 votes
9/20

the numbers that would satisfy this are 15,16,17,18,19,20, 1,2,3

so there are 9/20
User Draw
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