Fifty Defibrillators Are Tested for 48 Hours Per Machine

question 31

Multiple Choice

Fifty defibrillators are tested for 48 hours per machine. Of all the machines tested, 2 experience malfunctions during the test. What is the failure rate for the machines?

• A) 0.004
• B) 0.042
• C) 0.01
• D) 0.008
• E) 0.0008

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