Mathematics: I DON T KNOW THIS ONE! SOMEONE PLEASE HELP

I DON T KNOW THIS ONE! SOMEONE PLEASE HELP

Ответ:

MartinTDL

30.01.2022

Mathematics

$3.10.

Step-by-step explanation:

You get the expected value by multiplying the payout by the probability, then adding them all up.

So...

(0 * 0.45) + (4 * 0.3) + (6 * 0.1) + (8 * 0.1) + (10 * 0.05) = 0 + 1.2 + 0.6 + 0.8 + 0.5 = 1.8 + 1.3 = 3.1

So, the expected value of the winnings from a game with the payout probability distribution is $3.10.

Hope this helps!

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Ответ:

tatayanamarie5909

20.10.2020

Mathematics

$\bf \textit{volume of a cylinder}\\\\
V=\pi r^2 h~~
\begin{cases}
r=radius=\frac{diameter}{2}\\
h=height\\
----------\\
diameter = d\\
r=\frac{d}{2}
\end{cases}\implies V=\pi \left( \frac{d}{2} \right)^2 h
\\\\\\
V=\pi \left( \frac{d^2}{2^2} \right)h\implies V=\cfrac{\pi d^2 h}{4}\implies 4V=\pi d^2 h\implies \cfrac{4V}{\pi d^2}=h$

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I DON'T KNOW THIS ONE! SOMEONE PLEASE HELP

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