Question

i) 2 heads ii) 1 head iii) 0 head?
Q13. The percentage of marks scored by a student in the monthly un
tests are given below:
Unit test
1
II
III
IV
V
69
71
73
68
74
% of
marks
scored
A unit test is selected at random. What is the probability that the
student gets
i) More than 70% marks
ii) less than 70% marks
iii) at least 60% marks
Q14. A recent survey found that the age of workers in factory are
distributed as follows:​

Answer 1

please read Q. and then write

I can't understand your situation