3.18 A corporation receives a particular part in shipments of 100. Research indicated the probabilities shown in the accompanying table for numbers of defective parts in a shipment.

a. What is the probability that there will be fewer than three defective parts in a shipment?

b. What is the probability that there will be more than one defective part in a shipment?

c. The five probabilities in the table sum to 1. Why must this be so?

Transcribed Image Text:

Number 0 1 2 3 >3 defective 0.03 Probability 0.29 0.36 0.22 0.10