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2 years ago

13

a funnel is used to pour liquid from a 2 liter soda bottle into a test tube. What combination of three- dimensional figures coul

d be used to model all objects in this situation

1 answer:

Xelga [282]2 years ago

6 0

The 2 shapes would be a circular cone and a cylinder

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The lifetime of two light bulbs are modeled as independent and exponential random variables X and Y, with parameters lambda and

Scorpion4ik [409]

Answer:

$\bf h(x)=max(\lambda,\mu) e^{-max(\lambda,\mu) x}\;(x\geq0)$

Step-by-step explanation:

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The PDF of Y is

$\bf g(x)=\mu e^{-\mu x}\;(x\geq0)$

The means of X and Y are respectively,

$\bf \displaystyle\frac{1}{\lambda}\;,\displaystyle\frac{1}{\mu}$

so we can see that the larger the parameter, the smaller the mean. Hence the PDF of Z = min(X, Y) is an exponential with the largest parameter of the two.

Therefore, the PDF of Z is

$\bf h(x)=max(\lambda,\mu) e^{-max(\lambda,\mu) x}\;(x\geq0)$

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2 years ago

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Nostrana [21]

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32

Step-by-step explanation:

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1 year ago

Tiana walks 180 feet per minute. How many feet per second does she walk?

Afina-wow [57]

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Step-by-step explanation:

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