PLEASE HELP!!!!!! I can't quite understand how to do this.

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PLEASE HELP!!!!!! I can't quite understand how to do this.

Mathematics
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The probability distribution of the number of accidents in a week at an intersection, based on past data, is given below. Find the expected number of accidents in one week. Round your answer to the nearest hundredth.
number of accidents (n)| 0 | 1| 2| 3 Probability of n accidents| 0.75| 0.15| 0.08| 0.02
what kinda distribution do ya use?

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That's where I am at a loss. I'm not quite sure. I'm getting confused because of the past problems I have been doing
since it is discrete \[E(\text{ accidents in one week })=\sum_{n=0}^{3} n \cdot p(n)\]
probability mass function?
aka also known as mean value
Oh! That makes sense! I was over complicating it again...
have you found the sum of the products that I mentioned?
that is have you computed: 0*.75+1*.15+2*.08+3*.02
Yes, indeed I was working on that. cx
dayum probability magics
for my final answer I got 0.37
ok sounds awesome
that is what I have gotten too

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