Answer:
Her multiplication
Step-by-step explanation:
Not really an aexplanation
Answer:
a. 0.047
b. Unlikely.
Step-by-step explanation:
a. The probability of a test result being wrong for a person not using mrijuana = 8 / 170 = 0.047.
b. As the probability for a wrong result is < 0.05 we can say that the test is unlikely to be wrong.
Answer:
8 is 4% of 200, 1% of 200 is 2
.2= 2/10
now you have to reduce it and it is 1/5