Question: Two suppliers each supplied 2000 parts that were evaluated for conformance to specifications. One part type was more complex than the other. The proportion of

Two suppliers each supplied 2000 parts that were evaluated for conformance to specifications. One part type was more complex than the other. The proportion of nonconforming parts of each type are shown in the table.

Simple Complex Component Assembly Total Supplier Nonconforming 12 10 1000 1000 2000 Total Nonconforming 10 400 2000 Tota

One part is selected at random from each supplier. For each supplier, separately calculate the following probabilities:

(a) What is the probability a part conforms to specifications?

(b) What is the probability a part conforms to specifications given it is a complex assembly?

(d) Compare your answers for each supplier in part (a) to those in parts (b) and (c) and explain any unusual results.

Simple Complex Component Assembly Total Supplier Nonconforming 12 10 1000 1000 2000 Total Nonconforming 10 400 2000 Total 1600

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