Question

The percentages of marks obtained by a student in six unit tests are
given below:
Unit test I II III IV V VI
Percentage of marks obtained 53 72 28 46 67 59
A unit test is selected at random. What is the probability that the
student gets more than 60% marks in the test?
​

Answer 1

1/3

out of the 6 unit tests the tests in which he got more than 60 percentage is only in 2 subjects

so,2/6 which is equal to 1/3

Answer 2

Answer:

1/3

Step-by-step explanation:

Unit test                                          I     II      III     IV    V    VI

Percentage of marks obtained   53   72    28   46   67   59

Arranging in ascending order

28  , 46  , 53  , 59  , 67 , 72

more than 60%  are 67 & 72

out of 6 unit test 2 test have more than 60 % marks

Probability that the student gets more than 60% marks in the Selcted unit test  =  2/6

= 1/3