Four Workers at a Fast Food Restaurant Pack the Take-Out

question 5

Short Answer

Four workers at a fast food restaurant pack the take-out chicken dinners. John packs 45% of the dinners but fails to include a salt packet 4% of the time. Mary packs 25% of the dinners but omits the salt 2% of the time. Sue packs 30% of the dinners but fails to include the salt 3% of the time. You have purchased a dinner and there is no salt.
a.Find the probability that John packed your dinner.
b.Find the probability that Mary packed your dinner.

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Definitions:

Financial Planning Business

A service-oriented business that provides personalized financial advice, including investment management, income planning, and tax strategies, to help clients achieve their financial goals.

Professional Labour Costs

Expenses associated with hiring skilled professionals to perform specific services or tasks.

Production Environment

The physical and organizational setting where manufacturing or production takes place, involving machinery, labor, and workflows.

Service Shop

A type of operation that primarily produces services rather than tangible products, often requiring customer presence for the service delivery.