Question

Two sections of Class IX having 30 students each appeared for mathematics Olympiad. The

marks obtained by them are shown below:

46, 31, 74, 68, 42, 54, 14, 61, 83, 48, 37, 26, 8, 64, 57,

93, 72, 53, 59, 38, 16, 88, 75, 56, 46, 66, 45, 61, 54, 27,

27, 44, 63, 58, 43, 81, 64, 67, 36, 49, 50, 76, 38, 47, 55,

77, 62, 53, 40, 71, 60, 58, 45, 42, 34, 46, 40, 59, 42, 29,

A student is selected at random. Find the probability that student selected from the class is:

(i) having marks more than 59

(ii) having marks more than 49 but less then 100

Answer 1

1. 20/60=2/6
2. 32/60=8/15

Answer 2

hope it will help you :) :)