Homework Answers
Probability of rain = 0.8
Probability of not raining = 1-0.8 = 0.2
We know that if it rains, the attendance would be of 4000 people.
If it does not rain, the attendance would be of 14000 people.
So, the expected attendance =
= 0.8*4000 + 0.2*14000
= 3200 + 2800
= 6000 people.
So, it is expected that 6000 people will attend the concert.
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