#22 is needed
Professor's statement - you have to first construct the table
Positive(+) | Negative(-) | Total | |
Using Marijuana | 119 | 3 | 122 |
Not Using Marijuana | 24 | 154 | 178 |
Total | 143 | 157 | 300 |
22. Probability that the subject tested negative or used marijuana =
= P(Negative) + P(Marijuana) - P(Negative and Marijuana)
= 157/300 + 122/300 - 3/300
= 276/300 = 0.92
#22 is needed Professor's statement - you have to first construct the table these results from the "1-Panel-TH...
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