Question

18. Following data represents the percentage of persons from various age groups suffering from COVID-19 in India in July 2020:

Age (in years)

Less than 15 years

15 - 30

30 - 45

45 - 60

60 - 75

More than 75 years

Percentage of persons suffering from COVID-19

1 1

3

11

35

40

10

Based on the above situation, answer the following questions:

(i) If a person is selected at random, the probability that the person is from 45-60 age group is

(a) 0.11

(b) 0.35

(c) 0.4

(d) 0.1

(ii) The sum of the probabilities of all the elementary events of an experiment is

(a) 1

(b) 0

(c) 100

(d) 2​

Answer 1

1) 45-60

2)40

i)0.4

ii)1

These were the answer's of the given questions.