what does the "The probability of a correct inference:" means in this question and how can i solve it

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LaylanK13738 LaylanK13738

03-11-2022
Mathematics

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what does the "The probability of a correct inference:" means in this question and how can i solve it

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TaisleyD181372 TaisleyD181372 · Answer 1 · 2022-11-03T09:25:10+01:00

TaisleyD181372 TaisleyD181372

03-11-2022

The probability that the test-taker doesn't use drugs is the ratio of the number of people who take drugs to the total number of people. Hence the probability that the test-taker doesn't take drug is

= 194/450

= 0.4311

2.

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