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01-11-2020
Mathematics

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A person is chosen at random. What is the probability that they passed the driving test?

Adults who passed - 24
Adults who failed - 8
Total = 32

Teenagers who passed - 16
Teenagers who failed - 2
Total = 18

24 + 16 = 40
8 + 2 = 10

Bringing the whole total to 50.

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jimthompson5910 jimthompson5910

01-11-2020

Answer: 4/5

Explanation:

We have 24 adults who passed and 16 teens who passed. So 24+16 = 40 people passed total.

There are 24+8+16+2 = 50 people total

If you pick someone at random, the probability of them passing is 40/50 = 4/5.

In decimal form, this is 4/5 = 0.80 which converts to 80%

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