Question

The percentage of marks obtained by a student in monthly unit tests are given below:

Unit test: I II III IV V

Percentage

of marks

obtained: 69 71 73 68 76

Find the probability that the student gets :

(i) more than 70% marks (ii) less than 70% marks

(iii) a distinction

Answer 1

HOPE THE ANSWER HELPS YOU

Answer 2

Answer:

Step-by-step explanation:There are 5 units of test conducted of i.69 ii.71 iii.73 iv.68 v.76

i.The number of tests conducted=5

The marks more than 70%=3

3/5=0.6

ii.The marks less than 70%=2

The number of tests conducted=5

2/5=0.2

iii.distinction (more than 75%)=1

number of tests=5

1/5=0.2

I hope you like this answer