Question

find the probability that a student obtained less than 20 percent in the science test

Answer 1

Answer:

.....................

Answer 2

Step-by-step explanation:

Given :

Total number of students = 90

1)

Number of students obtained less than 20 marks are 7 members

Probability less than 20 marks = 7/90

2)

Number of students obtained 60 marks or above are

15 + 8 = 23 members

Probability 60 marks or above = 23/90 .

\bold{Answer: (1) \: 7/90 \: \: (2) \: 23/90}Answer:(1)7/90(2)23/90