The percentage of marks obtained by a student in the monthly unit tests are given below.
Unit Test I II III IV V VI VII
% of Marks 70 85 79 88 95 98 81
Based on this data, find the probability that the student gets more than 80% marks is a unit test.
Answers
Answered by
2
Answer:
total no of unit test = 7
more than 80 % marks = 5
probability = 5/7
Answered by
1
Step-by-step explanation:
P(E) = Number of favourable conditions/ Total number of outcomes
No. of students who score more than 80% = 85, 88, 95, 98, 81 = 5
Total no. of students = 70+85+79+88+95+98+81
= 596
P(E) = 5/596
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