The answer you want is -10
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:
B. entire singers
Step-by-step explanation:
A population consists of all subjects that are being studied.
The total number of singers the choral conductor choral conductor has in her choir is 1648.
The 1648 singers refers to the entire subject being studied
Therefore the population is the entire singers.
The correct answer is B.
Answer:
fill the 5l bottle up completely
pour the contents of the 5l bottle into the 3l until completely full
this should leave you with 2 litres in the 5 l bottle
empty out the water in the 3 litre bottle and then pour in the 2 litres
fill the 5 litre up completely and you have 7 litres
Step-by-step explanation: