Question

1. Marks scored by 50 students of a class, out of 100 are
given below:
Marks
0-20 20-40 40-60 60-80 80 - 100
Number of
3 | 12 | 18 | 10 | 7
students
A student is chosen randomly from the class.
(1) Find the probability that the chosen student has scored
less than 40 marks.
(2) Find the probability that the chosen student has scored
60 or more than 60 marks.​

Answer 1

Step-by-step explanation:

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