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exis [7]
3 years ago
6

Consider the triangle with vertices (0, 0), (1, 0), (0, 1). Suppose that (X, Y ) is a uniformly chosen random point from this tr

iangle. (a) Find the marginal density functions of X and Y . (b) Calculate the expectations E[X] and E[Y ]. (c) Calculate the expectation E[XY ].

Mathematics
1 answer:
ivann1987 [24]3 years ago
5 0

Answer:

The solution is given in attached diagram:

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The answer is:

B. -1/2

Explanation:
The equation is in y= mx + b form, which means that m= slope and b= y-intercept. You can see that the slope is -1/2.


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Select the three ratios that are equivalent to<br> 2 adults/5 children
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2:5
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A bicycle wheel with diameter 16 inches rides over a screw in the street. The screw is on level ground before it
34kurt

Answer:

16 inches

Step-by-step explanation:

<em>Note: it should say 56π inches instead of 56 inches otherwise no option is correct</em>

<u>Given</u>

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<u>Full circumference of the wheel </u>

  • C =πd = 16π

<u>Bike moves </u>

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<u>The wheel turns:</u>

  • 56π /16π = 3.5 times

We only consider her 0.5 of full turn of the wheel to identify the screw position

Since we consider the turns from the ground level as the initial position of the screw, the screw position in the end will be half turn opposite to ground level.

This is the full diameter length, which is 16 inches

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3 0
3 years ago
You deposit $3000 in an account earning 4% interest compounded continuously. How much will you have in
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Answer: $3,664.21

Formula: A=Pe^{rt}

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  • e = Euler's number ≈ 2.718...

Substitute in the values:

A=(3000)e^{(0.04)(5)} =(3000)e^{0.2} =(3000)(1.2214)=3664.208

<u>Approximately $3,664.21</u>

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Help me out here please
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Step-by-step explanation:

the answe to dis question is 2

3 0
3 years ago
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