Question

1. A manufacturing firm just received a shipment of 20 assembly parts, of slightly varied
sizes, from a vendor. The manager knows that there are only 15 parts in the shipment
that would be suitable. He examines these parts one at a time.
a) Find the probability that the first part is suitable
b) Find the probability that the second part is suitable given that the first part is suitable,
c) Find the probability that the first part is suitable, given that the second part is suitable​

Answer 1

Answer:

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