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3 years ago

15

:) got to love math lol

2 answers:

charle [14.2K]3 years ago

8 0

I'm currently learning this but what I'm being taught is different, after the question there should be an integer. It should look like this, (f (open circle) g)(any number) Due to the lack of number I'm not sure what to do. If there was a number then you plug that number into g and whatever you get you plug into F.

zzz [600]3 years ago

7 0

Oof im bad at math XD

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Which expression is the factored form of −1.5w+7.5 ?

prohojiy [21]

Answer:

c.

Step-by-step explanation:

the most that can be factored out is -1.5,

-1.5 * w = -1.5w

-1.5 * -5 = 7.5

-1.5w + 7.5, so it's

-1.5(w-5)

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3 years ago

If a clock strikes once at 1 O'clock, thrice at 3 O'clock and so on and again once at one O'clock and so on, then how many times

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3 years ago

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2 years ago

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When one increases the confidence level say from 0.90 to 0.95?

nignag [31]

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4 years ago

A random variable X is generated as follows. We flip a coin. With probability p , the result is Heads, and then X is generated a

Citrus2011 [14]

Answer:

Following are the solution to the given points:

Step-by-step explanation:

For point a:

$fx|H(x) = 1;0< x$

$=P(H)fX|H(x)+P(T)fX|T(x)\\\\= p(1) + (1-p)2x\\\\= p(1 -2x)+2x\\\\$

Using the PDF of the X value

$fX(x) =2x +p(1 - 2x); \ 0\leq x\leq 1$

0 ; otherwise

For point b:

$E(X)=\int^{1}_{0} \ x fX (x)\ dx=\int^{1}_{0} \ x(2x+p(1-2x))\ dx\\\\=\int^{1}_{0} \ (2x^2+(x-2x^2)p) dx\\\\$

$= 2(\frac{x^3}{3}) + (\frac{x^2}{2}-2(\frac{x^3}{3}) \begin{vmatrix} x=1\\ x=0\end{vmatrix} \\\\$

$= \frac{2}{3} + (\frac{1}{2} - \frac{2}{3})p\\\\= \frac{2}{3} -\frac{p}{6}\\\\= \frac{(4 - p)}{6}$

6 0

3 years ago