Answer:
3.9
Step-by-step explanation:
16 - 15.4 = 0.6 ={0.6}{15.4} *100=0.039 * 100 =3.9%
option . B
The reason for this is because 28 over 4 is the same thing to 28 = 4 .
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Answer: 0.82
The probability of the computer not containing neither a virus nor a worm is expressed as P(∩) , where P() is the probability that the event V doesn't happen and P() is the probability that the event W doesn't happen.
P()= 1-P(V) = 1-0.17 = 0.83
P()=1-P(W) = 1-0.05 = 0.95
Since and aren't mutually exclusive events, then:
P(∪) = P() + P() - P(∩)
Isolating the probability that interests us:
P(∩)= P() + P() - P(∪)
Where P(∪) = 1 - 0.04 = 0.96
Finally:
P(∩) = 0.83 + 0.95 - 0.96 = 0.82