Question: 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

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 late.
(b) The probability that an order delivered late was sent by the parcel service.

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