SOLUTION: Ask someone to pick a number from 1 to 20 1. What is the probability that your friend will pick the number “15”? 2. What is the probability that your friend will pick a “15” or

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Question 862570: Ask someone to pick a number from 1 to 20
1. What is the probability that your friend will pick the number “15”?
2. What is the probability that your friend will pick a “15” or a “16”?
3.What is the probability that your friend would pick a number greater than 13?
4. What is the probability that your friend would pick an odd number or a number greater than 13?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

P(picking any given number) = 1/20

One number picked

P(picking 15) = 1/20

P(picking 15 0r 16) = 1%2F20+%2B+1%2F20+=+2%2F20+=+1%2F10

P(picking number > 13)= 8%2F20+=+2%2F5

P(picking Odd 0r number > 13) = 10%2F20+%2B+8%2F20+-+4%2F20+=+14%2F20+=+7%2F10