Question

in a monthly test 10 students were awarded marks in maths exam as 23,25,18,15,20,17,10,24,15,19.if a student selected randomly what is the probability that he gets more than 18 marks

Answer 1

Answer:

1/10

Step-by-step explanation:

Bcoz only 1 of 10 student scored 18 marks.....

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Answer 2

Answer:

The probability that he gets more than 18 marks is 5/10 = 1/2

Step-by-step explanation:

P( that he gets more than 18 marks ) = (Number of favorable outcomes)/ (Total number of outcomes)

hence from the formula :

Number of favourable outcomes = 5 (23,25,20,24,19)

Total number of outcomes = 10