Question

Given below shows the marks obtained (out of 100) by 50
students in Maths
Marks obtained
Number of students
0-25
9
25-50
8
50-75
23
75-100
10
Total
50
A student is chosen at random,
(i) Find the probability that the student has obtained
75 or more marks.
(ii) If 50 % is the passing marks, find the probability
of the students failing in Maths.
(iii) Find the probability that the student has obtained
less than 75 marks.​

Answer 1

Answer:

here's your answer

Step-by-step explanation:

(i) p(getting more than 75 marks) = 1/5

(ii) p(students failing in math) = 1/2

(iii) p(students getting less than 75 marks) = 4/5