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Solution


Q.

BINGO is game of chance. The host has 75 balls numbered 1 through 75. Each player has a BINGO card with some numbers written on it. The participant cancels the number on the card when called out a number written on the ball selected at random. Whosoever cancels all the numbers on his/her card, says BINGO and wins the game.

The table given below, shows the data of one such game where 48 balls were used before Tara said ‘BINGO’.

Numbers announced

Number of times

0 – 15

8

15 – 30

9

30 – 45

10

45 – 60

12

60 – 75

9

 

Based on the above information, answer the following questions:

 

(ii) What is the modal class
1 15 – 35  
2 45 – 60  
3 60 – 75  
4 0 – 15  

Ans.

(2)

Since 12 is the maximum frequency, 45 – 60 is the modal class