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Agata [3.3K]
2 years ago
5

Need help with functions

Mathematics
1 answer:
Komok [63]2 years ago
4 0

Answer: ur right

Step-by-step explanation:

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Find the probability that a Type A bulb lasts at least 300 hours and a Type B bulb lasts at least 400 hours.
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Answer:

P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))

Step-by-step explanation:

We require more information by I will explain in principle:

If Type A has at least 300 hours and Type B at least 400 hours.

(X>3)(Y>4)=P(X>3)P(X>4)

You need to determine the Probability density function of X and Y and then subtract 1 from both

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This will give you the probability of the expression.

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This is the diagram to the question above.


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3 years ago
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2 years ago
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Step-by-step explanation:

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Pls help me someone
Lynna [10]
Y=-1/3x+4

x2-x1/ y2-y1
(0,4)(2,-2)
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1/-3

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