You have 10 batteries sitting on your desk, three of which are dead. You choose 2 batteries are random for you calculator. What

Question

3 years ago

13

is the expected number of good batteries that you get?

2 answers:

AnnyKZ [126] · Answer 1 · 2022-04-18T19:43:26+03:00

6 0

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.

stepladder [879] · Answer 2 · 2022-04-18T21:26:13+03:00

6 0

Answer:

1.4

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