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Elza [17]
3 years ago
10

Samples of size n = 15 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator,

and the standard deviation is found for each sample. What is the distribution of the sample standard deviations?
not enough information provided

skewed to the right

skewed to the left

normal (approximately)
Mathematics
2 answers:
MakcuM [25]3 years ago
7 0

Hello! Your Answer would be C.

Anna [14]3 years ago
3 0

skewed to the left....

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A sailboat travels 3 miles in 1.5 hours. How far does it travel in 2 hours?
Aleksandr-060686 [28]
A sailboat travels 3 miles in 1.5 hours. How far does it travel in 2 hours.
= 3 miles / 1.5 hours
= 2 miles per hour
= (2 miles) * (2 hours)
= 4 miles in 2 hours.

So, in conclusion, if a sailboat travels 3 miles in 1.5 hours, it travels 4 miles in 2 hours.
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2 years ago
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zysi [14]
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Find an equation of the circle that has center (- 6, 5) and passes through (- 1, 1) .
dangina [55]

Answer:

(x+6)^2+(y-5)^2=41

Step-by-step explanation:

The equation of a circle follows the general equation (x - h)^2 + (y - k)^2 = r^2

Since the center of the circle is (-6, 5), we progress to the formula equation (x + 6)^2 + (y- 5)^2 = r^2

Since this is a circle, the distance between (-6, 5) and (-1, 1) is the radius of the circle.

r = \sqrt{(-6 + 1)^2 + (5 - 1)^2} = \sqrt{5^2+4^2}=\sqrt{41}\\\\r^2 = 41

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5 0
2 years ago
Question 1<br> Convert the mixed number to an improper fraction.
Mashcka [7]

Step-by-step explanation:

to convert a mixed number to an improper fraction: take the big whole new on the right and multiply it by the denominators or number on the bottom of the fraction. then add thay amount to the numerator, or number on top and leave the denominator as it was before

example: 2 3/5 = 13/5

you can dissect the example to figure out the formula (formula is the way to solve an equation)

5 0
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Alla [95]

Answer:

<h3>k = -6x+4</h3>

Step-by-step explanation:

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Cross Multiply

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Isolate k

6x -4 =-k

Divide through by -1

\frac{6x}{-1} -\frac{-4}{-1} = \frac{-k}{-1}\\ \\-6x+4 =k\\\\k =-6x+4

7 0
3 years ago
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