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22-02-2018
Mathematics

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A flashlight has 7 batteries, 5 of which are defective. If 5 are selected at random without replacement, find the probability that all 5 batteries are defective.

The probability of getting all 5 defective batteries is________?
Enter your answer as a fraction or a decimal rounded to 3 decimal places.

Show your work.

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Аноним Аноним

22-02-2018

5/7 or 71.4%.
All you have to do is divide 5 by 7 to get a number and move the decimal point two spots over. You will then get 71.4%!
Hope this helps!

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