Answer:
0.95 chance or 95% chance.
Step-by-step explanation:
If there is a 0.05 chance of there being and earthquake subtract 0.05 from 1 to find out what the chance of not having an earthquake it. Since probability is a fraction out of a whole percentages can be used to find the answer.
The answers are:
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[A]: f(x) = -8 ; AND:
[B]: f(x) = -3 .
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7/8+3/8=10/8
10/8=5/4
The answer as an improper fraction is 5/4 and 1 and 1/4 as a mixed fraction.
Hope I didn't mess up for your sake.