# TV fail

The TV has average 35 failures after 10,000 hours. Find the probability of TV failure after 400 hours of operation.

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**statistics**- binomial distribution
**combinatorics**- probability
**arithmetic**- division
**basic functions**- ratio
- percentages
- reason
- direct relationship
**numbers**- fractions

#### Units of physical quantities:

#### Grade of the word problem:

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