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3 years ago

I need help with this

Mathematics

1 answer:

Inessa [10]3 years ago

8 0

Answer:

I WAS BORN TO FLEX DIMONDS ON MY NECK I LIKE MORNING CHECKS I LIKE MORING S**

Step-by-step explanation:

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Let X have the probability mass function P(X = −1) = 1 2 , P(X = 0) = 1 3 , P(X = 1) = 1 6 Calculate E(|X|) using the approaches

Studentka2010 [4]

Answer:

Step-by-step explanation:

From the given information:

Note that the possible values of Y are 0 and 1 because;

y = 0 if X = 0 and y = 1 if X = ±1

∴

$P(Y =0) = P(X = 0) =\dfrac{1}{3}$

$P(Y = 1) = P(X = -1 \ or \ 1) \\ \\ = P(X = -1) + P(X = 1)$

$= \dfrac{1}{2}+ \dfrac{1}{6}$

$=\dfrac{3+1}{6}$

$= \dfrac{2}{3}$

$E(|X|) = \sum |x| P(X=x) = ( 1 \times \dfrac{1}{2}) + ( 0\times \dfrac{1}{3}) + ( 1 \times \dfrac{1}{6})$

$= \dfrac{2}{3}$

7 0

3 years ago

What is the greatest common factor of 54 and 45

expeople1 [14]

45 = 3×3×5

54 = 2×3×3×3

Two number : 3,3

So, the GCD of 45,54 is 3×3= 9

8 0

4 years ago

QUICk whoever gets the correct answer gets brainliest

pochemuha

Answer:

1/5

Step-by-step explanation:

8 0

3 years ago

DUE IN 2 MINUTES PLEASE HELP!!

N76 [4]

Answer:

Angles 7, 6, 3, 2 = 120°

Angles 8, 5, 4, 1 = 60°

7 0

3 years ago

Read 2 more answers

A plastic storage bin is shaped like a rectangle or prism. The height of the band is 9 inches. The bottom of the band has an are

Marina86 [1]

Answer:

v = 1620 ^3

Step-by-step explanation:

If the area of the bottom is 180 sq in and the height is 9 in then this is how you would solve the problem.

To get area of the volume is l * w * h

Because of the associative property we can do this in any order we want

If we know that l * w is 180, then all we have to do is multiply 180 by 9

180 * 9 = 1620

7 0

3 years ago