Find the mean and standard deviation of the distribution below. Show appropriate work. Y. 0. 3. 6. 9. 12
P(V) 0.3 0.1 0.2 0.2 0.2

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Ответ:

RiddleRider

10.01.2022

Mathematics

x = 6.93 cm

Step-by-step explanation:

Pythagorean theorem: c = $\sqrt{a^2 + b^2}$

C is the hypothenuse, the longest side of a right angled triangle.

Here c = 8, 4 =a, b = x.

$8 = \sqrt{(4)^2+(b)^2}$

64 = (4)^2 + (b)^2

64 = 16 + (b)^2

$b^2 = 48\\b = \sqrt{48} = 6.93 cm$

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Find the mean and standard deviation of the distribution below. Show appropriate work. Y. 0. 3. 6. 9. 12 P(V) 0.3 0.1 0.2 0.2 0.2