Question

2. A group of 25 students was asked to say which sport they liked
the most. The results are given below:
Cricket, badminton, tennis, football, basketball, table tennis, cricket,
cricket, tennis, cricket, basketball, cricket, cricket, football
, football
,
basketball
, table tennis, badminton, football
, tennis, football
, cricket,
tennis, cricket, cricket.
Prepare a frequency distribution table for the given data.​

Answer 1

Answer:

In a class of 50 students, 20 play Hockey, 15 play Cricket and 11 play Football. 7 play both Hockey and Cricket, 4 play Cricket and Football and 5 play Hockey and football. If 18 students do not play any of these given sports, how many students play exactly two of these sports?

A. 12

B. 10

C. 11

D. 15

E. 14

Notice that "7 play both Hockey and Cricket" does not mean that out of those 7, some does not play Football too. The same for Cricket/Football and Hockey/Football.

(For more check ADVANCED OVERLAPPING SETS PROBLEMS)

;

;

Those who play ONLY Hockey and Cricket are 7 - 2 = 5;

Those who play ONLY Cricket and Football are 4 - 2 = 2;

Those who play ONLY Hockey and Football are 5 - 2 = 3;

Hence, 5 + 2 + 3 = 10 students play exactly two of these sports.

Answer: B.

Answer 2

Answer:

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