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The blood groups of 30 students of Class...

The blood groups of 30 students of Class VIII are recorded as follows:  A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O,A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O. Represent this data in the form of a frequency distribution table. Which is the most common, and which is the rarest, blood group among these students?

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The blood groups of 36 students of IX class are record as follows. A, O, A, O, A, B, O, A, B, A, B, O, B, O B, O, O, A, B, O, B, AB, O, A, O, O, O, A, AB, O, A, B, O, A, O, B. Represent the data in the form of a frequency distribution table. Which is most common and which is the rarest blood group among these groups?

The blood groups of 30 students are recorded as follows: A, B, O, A, AB, O, A, O, B, A, OB, B, A, AB, B, A,AB ,B, A, A, O, A, AB, B, A, O, B, A, B, A Prepare a frequency distribution table for the data.

The blood groups of 30 students of a class VIII are recorded as follows : Represent this data in the form of a frequency distribution table. Which is themost common and which is the rarest blood group among these students ?

The blood The blood groups of 30 students of class IX are recorded as follows: A, B O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O A student is selected at random from the class from blood donation. Find the probability that the blood group of the student chosen is: A (ii) B (iii) AB (iv) O

The blood groups of 30 students of class IX are recorded as follows: A, B O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O A student is selected at random from the class from blood donation. Find the probability that the blood group of the student chosen is: (i) A (ii) B (iii) AB (iv) O

The blood groups of 25 students are recorded as under: A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, AB, A, A, B, B, O, B, AB, O, A, B. Arrange the information in a table using tally marks.

The blood groups of 30 students of Class VIII are recorded as follows: A,B,O,O,AB,O,A,O,B,A,O,B,A,O,O, A,AB,O,A,A,O,O,AB,B,A,O,B,A,B,O. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.

The blood groups of 30 students are recorded as follows A,B,O,A,AB,O,A,O,B,A,OB,B,A,AB,B,A,AB,B,A,A,O,A,AB,B,A,O,B,A,B,A Prepare a frequency distribution table for the data.