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: 120,131,122
Your three integers are x, x+1, and x+2
x+x+1+x+2=363
3x+3=363
3x=360
x=120
x+1=121
x+2=122
Answer:0.367
Step-by-step explanation:
Given
There are 6 cans of regular and 7 cans of diet cola
number of ways of selecting 2 regular colas and 1 can of diet cola is

The total no of ways of selecting 3 items out of 13 items is

Probability is
