Question

the following is the the distribution of marks of 50 students in a certain class test. Marks = 10 20 30 40 50 60 70 Number of students=3 9 6 10 7 6 9 find the probability that a student scores (i)more than 30 marks and (ii) less than 40 mark​

Answer 1

Answer:

1 is 4 2 is 4

Step-by-step explanation:

bec 1st ans is 4

2nd ans is 4

Answer 2

Answer:

(i)16÷25

(ii)9÷25

Step-by-step explanation:

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