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(Solved): Hello,I need some help for (b) and (c).thank you! The number of customers in line at a local superma ...



Hello,
I need some help for (b) and (c).
thank you!


The number of customers in line at a local supermarket self-checker is a random variable with the following probability distr
The number of customers in line at a local supermarket self-checker is a random variable with the following probability distribution given below: (a) (2 points) Find . (a) .30 (b) (2 points) Find . (b) (c) (2 points) Find . (c)


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We have given a probability distribution table:x012345P (x) 0.10.250.30.20.10.05we know
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