BECE Mathematics 2019 Paper

A prime is a number that is greater than 1 and divisible only by itself and 1 (e.g. $2,3,5,7,11, \ldots$ )List of prime numbers to 100$2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97$.The prime numbers from the 25 to 35 list are only $\{2 9 , 3 1\}$Probability = No. of possible outcomes / Total numbers (items)There are two possibilities (29 and 31)Count the total numbers $(25,26,27,28,29,30,31,32,33,34,35)$Total numbers(items) = 11$\Rightarrow$ Probability of selecting a prime number $=\frac{2}{11}$