The given table shows the marks obtained by 80 students in a class test with maximum marks 100. A student of the class is selected at random. Find the probability that he gets less than 15% marks.

The given table shows the marks obtained by 80 students in a class test with maximum marks 100. A student of the class is selected at random. Find the probability that he/she gets less than 15% marks.

The table given below shows the marks obtained by 80 students of a class in a test with maximum marks 100 . 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 and (iii) less than 45 marks .

The table given below shows the marks obtained by 50 students of a class in a test with maximum 2. marks 100. A student of the class is selected at random. Find the probability that the selected student gets less than 15% marks

The table given below shows the marks obtained by 50 students of a class in a test with maximum marks 100. A student of the class is selected at random. Find the probability that the selected student gets 60% or more marks

The table given below shows the marks obtained by 50 students of a class in a test with maximum marks 100. A student of the class is selected at random. Find the probability that the selected student gets marks equal to or greater than 45% but less than 60%.

The table shows the marks obtained by 25 students in a class test. Find the mean of the marks obtained

The table shows the marks obtained by 25 students in a class test. Find the mean of the marks obtained

Marks obtained by 2500 students are shown in the following table: A student is selected at random. Find the probability that : he scores less than 60% marks.

The following table represent marks obtained by 100 students in a test. Find mean marks of the students.