Question: An electronics company manufactures a component for use in computer hardware.At theend of the manufacturing process,each component is checked to see if it is faulty.Faultycomponents

An electronics company manufactures a component for use in computer hardware.At theend of the manufacturing process,each component is checked to see if it is faulty.Faultycomponents are detected

(

discovered

)

at a rate of

2.5

per hour.

a Suggest a suitable model for the number of faulty components detected per hour.

b Describe,in the context of this question,two assumptions you have made in part a for this model to be suitable.

c Find the probability of

2

faulty components being detected in a

1 -

hour period.

d Find the probability of at least

6

faulty components being detected in a

3 -

hour period.

e Find the probability of at least

7

faulty components being detected in a

4 -

hour period.

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