Math, asked by mnydangi99, 9 months ago

400 students of class X of a school appeared in a test
of 100 marks in the subject of social studies and the
data about the marks secured is as below:
0-25 26-50 51-75 above 75
Marks
Secured
Number of
Students
Total no.
of students
50
220
100
30
400
Sol.
If the result card of a student be picked up at random,
what is the probability that the student has secured
more than 50 marks?
Total number of students, i.e., the total frequency = 400
The total number of students who secured more than
50 marks = 100+30=130
= Probability that the marks secured are more than

Answers

Answered by avinash769
1

Answer:

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