3 years ago

Plz helppppp???????????????????

Mathematics

2 answers:

mafiozo [28]3 years ago

5 0

Answer:

4/21

Step-by-step explanation:

21 total computers and only 4 work so 4/21 probablity

lisov135 [29]3 years ago

3 0

Answer:

~ Probability: 4/21 ~

Step-by-step explanation:

1. We can see that the total number of computers would be; 9 + 8 + 4 = 21 computers

2. Of these 21 computers, 9 + 8 = 17 of them are not working, either with a virus or just not working

3. That leaves 4 out of the 21 computers working; leaving you with a probability of 4/21 that Bill will choose a computer that works on the first try!

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