Statistics Principles And Methods 8th Edition Richard A. Johnson, Gouri K. Bhattacharyya - Solutions

In order to keep up with the demand for its new earphones, a manufacturer h ad to purchase a key p art from three different suppliers. Supplier l provides 15% of the parts and l 0% are defective. Supplier 2 provides 60% of the parts and 4% are defective. Supplier 3 provides 25% of the parts and 8%
An e-commerce electronics firm sent 80% of its orders by a parcel service that delivers late only 3% of the time. It sends the other 20% of items by a combination bus service and local transportation that delivers late 6% of the time. Find the(a) The probability that an order will be delivered

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