Answer:
Hence, the probability of a Negative test is
.
Step-by-step explanation:
(a)
Let
Drug user and
Test positive
Probability of drug users 


(b)
Find the Probability of a Negative test,





Answer:


Step-by-step explanation:
∵ 
∵ 
∵ 
∴ 
∵ 
∴ 
∴ 
The answer would be 0,3,8,15,24,35,48,63
Both of them could be true, tables and graphs are basically the same thing... is there a photo?
If stock prices are falling that’s a good time to buy