1. You ask a friend to think of a number from 7 to 23. What is...

Question

Question

1. You ask a friend to think of a number from 7 to 23. What is the probability that his
number will be greater than 14?

math Statistics-And-Probability

Answer 1

Answer #1

sample space S = { 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 }

A = number greater than 14

= { 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 }

P(A) = P(number greater than 14 )

= n (A) / n (S)

= 9 / 17

= 0.5294

Answer 2

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