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A rate
2 answers:
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We are given the equation:
..........(1)
Now we have to write it in quadratic form using substitution.
The general form of quadratic equation is given by:
So let us say
.......(2)
Plugging the value of (x-5)² from equation (2) in (1),
Answer : Option B.
The probability it will take 20 minutes or more is about 6.3%.
