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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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To the nearest degree what is the measure of each exterior angle of a regular dodecagon
malfutka [58]

Answer:

30^{\circ}

Step-by-step explanation:

We are asked to find the measure of each exterior angle of a regular dodecagon.

We know that a regular dodecagon is a 12 sided regular polygon with each side equal.

We know that measure of each angle of n-sided regular polygon can be found using formula:

\text{Each exterior angle}=\frac{360^{\circ}}{n}

Upon substituting n=12 in above formula, we will get:

\text{Each exterior angle of a regular dodecagon}=\frac{360^{\circ}}{12}

\text{Each exterior angle of a regular dodecagon}=30^{\circ}

Therefore, the measure of each exterior angle of a regular dodecagon is 30 degrees.

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3 years ago
PLEASE HELP WILL MARK BRAINLIEST!!!
grigory [225]

Answer:

do you have answer options to this.

7 0
3 years ago
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Blake is signing a lease for a studio apartment that rents for $425/month. How much will Blake pay to move in if he must pay the
jeka57 [31]

Answer:

  (c)  $1062.50

Step-by-step explanation:

The total of the rental and security deposits amounts to two and a half months' rent:

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It will cost Blake $1062.50 to move in.

8 0
2 years ago
Solve (x + 4)2 – 3(x + 4) – 3 = 0 using substitution. u = Select the solution(s) of the original equation.
bezimeni [28]

Answer:

\dfrac{-5-\sqrt{21}}{2},\ \dfrac{-5+\sqrt{21}}{2}

Step-by-step explanation:

For the equation (x+4)^2-3(x+4)-3=0 use the substitution u=x+4. Then the equation will take look

u^2-3u-3=0.

Solve this quadratic equation:

D=(-3)^2-4\cdot 1\cdot (-3)=9+12=21,\\ \\u_{1,2}=\dfrac{-(-3)\pm \sqrt{21}}{2}=\dfrac{3\pm\sqrt{21}}{2}.

Thus,

x+4=\dfrac{3-\sqrt{21}}{2}\text{ or }x+4=\dfrac{3+\sqrt{21}}{2},\\ \\x_1=\dfrac{3-\sqrt{21}}{2}-4=\dfrac{-5-\sqrt{21}}{2}\text{ or }x_2=\dfrac{3+\sqrt{21}}{2}-4=\dfrac{-5+\sqrt{21}}{2}.

8 0
3 years ago
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Find the interest earned.
SCORPION-xisa [38]
June is 30 days
30-12=18 days
July is 31 days
August is 30 days
Time=18+31+30=79 days
A=2,750×(1+0.035÷365)^(79)
A=2,770.91
Interest earned
I=A-p
I=2770.91-2750
I==20.91
4 0
3 years ago
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