Standard deviation of the number of special orders

Reference no: EM1394787

The auto parts department of an automotive dealership sends out an average of 8 special orders daily. The number of special orders is assumed to follow a Poisson distribution.

a) What is the probability that for any day, the number of special orders sent out will be more than 4?

b) What is the standard deviation of the number of special orders sent out daily?

Reference no: EM1394787

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