Question: Imagine getting your car checked out for a serious problem (check engine light comes on). Is it really serious? Let's say the diagnostic machine is

Imagine getting your car checked out for a serious problem (check engine light comes on). Is it really serious? Let's say the diagnostic machine is correct within 86% accuracy. Complete the chart and answer the questions below. Imagine that out of the 1000 people, 45% actually did need work done. Fill out the chart below to test for accuracy of the machine.

Positive Diagnostic Test Negative Diagnostic Test Total

Needs work

Does not work

Total 1000

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