A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them one by one and without replacement. What is the probability that the fifth battery is dead? If the...


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A child mixes 10 good and three dead batteries. To<br>find the dead batteries, his father tests them one<br>by one and without replacement.<br>What is the probability that the fifth battery is<br>dead?<br>If the first four batteries tested are all good, what<br>is the probability that the fifth one is dead?<br>

Extracted text: A child mixes 10 good and three dead batteries. To find the dead batteries, his father tests them one by one and without replacement. What is the probability that the fifth battery is dead? If the first four batteries tested are all good, what is the probability that the fifth one is dead?

Jun 10, 2022
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