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Alchen [17]
3 years ago
13

In order to measure the dispersion of a random variable, look at its a. standard deviation. b. mean. c. expected value. d. avera

ge.
Mathematics
1 answer:
Sphinxa [80]3 years ago
8 0

Answer:

a. standard deviation

Step-by-step explanation:

Dispersion is a measure of variability in a given data i.e the level or extent of spread of a data. This can easily be measured for a random variable by considering its standard deviation.

The standard deviation would show the extent to which each value is different from the mean. Thus showing the extent of the dispersion of variables.

Therefore, to measure the dispersion of a random variable, look at its standard deviation.

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juin [17]
The only thing you could factor out is X so it would be
X(4x-5)
5 0
3 years ago
What is y 12y - 19= 6y+1=
nadezda [96]

Answer:

<h2><u><em>Y= 10/3 or 3.333....</em></u></h2>

Step-by-step explanation:

12y-19= 6y+1

12y-6y = 1 +19

6y = 20

y = 20/6

y= 10/3 or 3.33..

 

<h2><u><em>HAVE A NICE TIME :)</em></u></h2><h2><em>pls give a </em><u><em>brainliest</em></u><em> if it is CORRECT</em></h2>
3 0
2 years ago
An angle is bisected, forming two new angles. if the original angle had a measure of 62°, what is the measure of each new angle?
s344n2d4d5 [400]
Bisected means cut in half. half of 62 is ,31
4 0
3 years ago
The wheel of an adult's bicycle has diameter 26 in. The wheel of a child's bicycle has diameter 18 in. To the nearest inch (whol
GREYUIT [131]

Answer:

25.136 in

Step-by-step explanation:

Given data

Adult bicycle wheel

Diameter= 26in

Radius= 26/2= 13in

Circumference= 2πr

Circumference= 2*3.142*13

Circumference= 81.692 in

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Diameter= 18in

Radius= 18/2= 9in

Circumference= 2πr

Circumference= 2*3.142*9

Circumference= 56.556 in

Hence the difference in the distance traveled in one revolution is the difference in their circumference

Distance=  81.692 -56.556

Distance=  25.136 in

3 0
3 years ago
A man is paid $9.60 per hour for a 40 hour week and he is paid at a time and a half for overtime he worked when his wage for a c
Ymorist [56]

Answer:

50 hours.

Step-by-step explanation:

First I found how how much the man was paid in a week for the base 40 hours which was 384. Then i subtracted that from the wage from the week so i could just have the overpay amount which was 144. I then multiplied 9.6 by 1.5 to get the hourly pay for overtime and god 14.4 dollars an hour. Lastly, i divided 144 by 14.4 and got 10 extra hours which got me to my answer of 50 hours because i added the 40 initial hours.

8 0
3 years ago
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