Unit Test | I | II | III | IV | V | VI |

Percentage of marks obtained by students |

**(iii) less than marks in a unit test.**

**Answer-**

**Probability – the chances of something happening**.

(iii)

The total number of times that the students who get less than 65% marks in a unit test =

Then,

less than marks in a unit test

= (Number of times student gets less than marks in a unit test)/(total

number of tests taken by a student

=

=

Dividing Any number by zero, the only answer we get is zero