Suppose x the number of flaws in a roll of polyethylene

Suppose X, the number of flaws in a roll of polyethylene insulated cable, follows a Poisson process where ? is 1.1 flaws per 4-meter length of cable.

a) What is the probability a roll of cable 16 meters in length has less than three flaws?

b) What is the probability a roll of cable 32 meters in length has exactly 5 flaws?

c) What is the expected number of flaws in a roll of cable 32 meters in length?

d) What is the standard deviation of the number of flaws in a roll of cable 32 meters in length?

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Suppose x the number of flaws in a roll of polyethylene : suppose x the number of flaws in a roll of polyethylene insulated cable follows a poisson process where ? is 1.1 flaws

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