Answer:
The answer is option B, x = 4.2
Please help me 10 points
1 answer:
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You want to find the value of x for which the area under the curve to the left of x is 0.6. One way to do that is to create the cumulative distribution function (CDF) for the given PDF, then see where it is equal to 0.6.
Doing that, we find a = 5.
Doing that, we find a = 5.
Answer:
10.
Step-by-step explanation:
Since 60 is the profit you need to make, you plug in 60 into P(x). So, you get the equation 60=0.3+7x-40. The answer to this equation is 10. I think this is the correct answer.