Question

A match box contains 15 used sticks and 25 unused sticks. what is the probability that a stick picked at random is unused

Answer 1

Used = 15

Unused = 25

Total = 40

Probability of picking unused match,

P(unused) =15/40 or 3/8

Answer 2

Answer :

Used sticks = 15

Unused sticks = 25

Total sticks = 15+25 = 40

Probability(unused stick) = 25/40 = 5/8

Hope it helps.....