The table given below shows the marks obtained
by 50 students of a class in a test with maximum
marks 100.
Marks 0-15 15-30 30-45 45-60 60-75 Above
75
10
No. of 6
10 14 6 4
students
A student of the class is selected at random
Find the probability that he gets
(i) less than 15, marks
(ii) 60% or more marks
(ii) marks equal to or greater than 45% but less
than 60'
Answers
Answered by
1
Answer:
For a data-set of 50 students, the median is equal to mean of the 25th and 26th data sample when all the data sample are arranged in ascending order.
From the table, 23rd to 34th data samples lie in the range of 50−60.
Hence, median marks range is 50−60.
Hope this is helpful for you.
Answered by
1
Step-by-step explanation:
i) 3
ii) 60
please mark ma brainliest
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