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anon1899
17.02.2021 •
Mathematics
Write the answer in its simplest form. -8 + 13
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Ответ:
5
Step-by-step explanation:
-8 + 13 is equal to 5. It is positive since the larger number is positive.
Ответ:
5 is your answer. ☺️☺️☺️
Ответ:
The probability is![P(U | P ) = 11.6 \%](/tpl/images/0860/1001/db29c.png)
Step-by-step explanation:
Generally a true positive means that the person tested is a drug user and he/she test positive to the test
while true negative mean that the person tested is not a drug user and he/she test negative to the test
From the question we are told that
The probability that a person test positive to the drug test given that the person is a drug user is
Here P => event that a person test positive to the drug test
U => event that the person is a drug user
The probability that a person test negative to the drug test given that the person is not a drug user is
Here N => event that a person test negative to the drug test
S => event that the person is not a drug user
The probability that a person is a drug user is
Generally the probability that a person test positive to the test given that the person is a non- user is
=>![P(P | S ) = 0.13](/tpl/images/0860/1001/73fca.png)
Generally the probability that a person is a non user of drug is
=>
Generally the probability that a person test positive to the drug test is mathematically evaluated as
=>![P(P) = 0.93 * 0.018 + 0.13 * 0.982](/tpl/images/0860/1001/9511b.png)
=>![P(P) = 0.1444](/tpl/images/0860/1001/63986.png)
Generally the probability a person is a user given that he or she tested positive is mathematically represented as
=>![P(U | P ) = \frac{0.93 * 0.018 }{0.1444}](/tpl/images/0860/1001/7bd41.png)
=>![P(U | P ) = 0.116](/tpl/images/0860/1001/e2d23.png)
Converting to percentage
=>![P(U | P ) = 11.6 \%](/tpl/images/0860/1001/db29c.png)