The relative humidity (in %) of a certain city for a month of 31 days was as follows

CBSE Class 9 CBSE Class 9 Maths
1

The relative humidity (in %) of a certain city for a month of 31 days was as follows
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Find the probability of relative humidity less than 94% on any of these days.

2

Given, total number of days = 31
∴Total number of trials = 31
Let E be the event of getting a day when the relative humidity less than 94%.
∴ Number of trials in which E happened = 13

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