There is 30% chance that it rains on any particular day. The probability that there is at least one rainy day within a period of 7 days is
none of these
As we learned
Binomial Distribution -
In a series of n independent trials if the probability of success P in each trial is same, then the probapility of r success is
- wherein
Where is probability of failure.
The probability of rainy day
The probability of a sunny day
Let E denote the event of at least one rainy day with in a period of 7 days.
Then
Option 1)
Option 2)
Option 3)
Option 4)
none of these
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