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CBSE Class 9 Answered

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Asked by k.kalaiarasu | 02 Jul, 2020, 02:16: PM
Expert Answer
Table shows the birth days of 30 students of a class:
Day                   Sunday    Monday    Tuesday    Wednesday    Thursday    Friday     Saturday
No. of students      3              6              2                1                 9             5             4
 
Probability(student was born on Saturday) = 4/30 = 2/15
 
Probability(student was not born on Saturday) = 1 - 2/15 = 13/15
 
Tuesday and Thursday starts from T
Probability(student was born on the day strats from T) = 11/30
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