johnappleseed1999 johnappleseed1999

15-12-2017
Mathematics

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You have 10 batteries sitting on your desk, three of which are dead. You choose 2 batteries are random for you calculator. What is the expected number of good batteries that you get?

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ionawerda4FaithHouse ionawerda4FaithHouse

15-12-2017

you have 10 batteries 3/10 are dead there are only 7/10 batteries that are good. So the expected number of good batteries you could get is 7.

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Logiciskey Logiciskey

21-01-2020

Answer:

1.4

Step-by-step explanation:

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