Mathematics, 30.04.2021 17:00 alfarodougoy8lvt
POSSIBLE POINTS: 4
A company advertises that its batteries still have a 80% chance of working when they are 10 years old You find a pack of 20 batteries in a drawer that are
10 years old, so you start to test them to see if they work. What is the probability that you start with 4 good batteries and then get a defective battery?
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Answers: 3
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POSSIBLE POINTS: 4
A company advertises that its batteries still have a 80% chance of working when...
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