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

The distribution given below, shows the marks obtained by 25 students in an aptitude test. Find the median and mode of the distribution.

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 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.

Following data gives the marks obtained by 100 students in a test. Find the median

A student draws a cumulative frequency curve for the marks obtained by 40 students of a class as shown below. Find the median marks obtained by the students of the class. (FIGURE)

If for some x in R , the frequency distribution of the marks obtained by 20 students in a test is: Then the mean of the marks is:

If for some x in R , the frequency distribution of the marks obtained by 20 students in a test is: Then the mean of the marks is:

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%.