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tatyana61 [14]
3 years ago
6

g Exercise 6. Let X be a Gaussian random variable with X ∼ N (0, σ2 ) and let U be a Bernoulli random variable with U ∼ Bern(?)

independent of X. Define V as V = XU. (a) Find the characteristic function of V , ϕV = E(e jsV ) = RfV (v)e jsv. Hint: use iterated expectation. (b) Find the mean and variance of V .

Mathematics
1 answer:
stiv31 [10]3 years ago
4 0

Answer:

Step-by-step explanation

question solved below

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Last Wednesday it snowed 3 1/4 in. On Sunday it snowed 3 4/5 in. On which day did it snow more? How much more?
damaskus [11]
3 4/5 because when you make the denominators equal by multiplying 1/4 by 5 on both sides and 4/5 by 4 and both sides you will get 5/20 and 16/20
4 0
3 years ago
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Each treasure hunt team will have 5 people. So far 42 people have signed up. How many more people are needed to make every team
julia-pushkina [17]

Answer:

1) 3 more people

2) 9 teams

Step-by-step explanation:

The divisibility rule for 5 is that it must end in 5 and 0

so the next one is 45, so 3 more people

----------------------- ----------------------- ----------------------- -----------------------

45/5=9 teams

3 0
1 year ago
Which expression can be used to convert 22 Australian dollars to US dollars?
Nadusha1986 [10]
$22 AUD * 1 USD / 1.2 AUD
Hope that helps
5 0
3 years ago
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Determine the x- and the y-intercepts of these graphs. a) y = x-2​
Ivanshal [37]

Answer:

y-intercept = (0, -2)

x-intercept = (2, 0)

Step-by-step explanation:

The y-intercept is the value of y when x = 0. Therefore, Given the linear equation, y = x - 2:

Let x = 0:

y = 0 - 2

y = -2.

Therefore, the y-intercept of the linear equation, y = x - 2  is (0, -2).

The x-intercept is the value of x when y = 0.

Therefore, let y = 0:

y = x - 2

0 = x - 2

Isolate x by adding 2 to both sides of the equation:

0 + 2 = x - 2 + 2

2 = x

Therefore, the x-intercept is (2, 0).

5 0
2 years ago
37. ABC has vertices A(0, 0) , B(0, 4) , and C(3, 0) . Write the equation for the line containing the altitude overline AR in st
Nutka1998 [239]

Answer:

3x - 4y = 0

Step-by-step explanation:

The triangle Δ ABC has vertices A(0,0), B(0,4) and C(3,0).

Therefore, the equation of the straight line BC in intercept form will be  

\frac{x}{3} + \frac{y}{4} = 1

⇒ 4x + 3y = 12

⇒ y = - \frac{4}{3}x + 4 .......... (1)

This is a equation in slope-intercept form and the slope is - \frac{4}{3}.

Now, the altitude AR is perpendicular to equation (1) and hence its slope will be \frac{3}{4}.

{Since, the product of slope of two mutually perpendicular straight line is always - 1}

Therefore, the equation of the altitude AR which passes through A(0,0) will be  

y = \frac{3}{4}x

⇒ 4y = 3x

⇒ 3x - 4y = 0 (Answer)

4 0
3 years ago
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