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PSYCHO15rus [73]
3 years ago
15

If the variance of the "number of daily parking tickets issued is 100, the standard deviation is defined as the _____________. A

. Absolute value of the variance of the "number of daily parking tickets" B. "Number of daily parking tickets" squared. C. "Number of daily parking tickets" D. Square root of the variance of the "number of daily parking tickets"
Mathematics
1 answer:
Alex17521 [72]3 years ago
8 0

Answer:

Square root of the variance of the "number of daily parking tickets"

Step-by-step explanation:

The Standard Deviation is a measure of how spread out numbers are.

Its symbol is σ (the Greek letter sigma)

The formula is easy: it is the square root of the Variance.

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What is square root in simplified form? What is in simplified form?
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Answer:

Step-by-step explanation:

Let as us 45 as the number we should use to get the square root in the simplest form

And then 144

The square root of a number in is simplest form means to get the number inside the radical as low as possible

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A impossible<br> B unlikely<br> equally likely<br> D likely<br> E<br> certain
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C equally likely since there is a 50/50 chance of each outcome
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Make, Dan, Ed, and summer played together on a baseball team. Mike’s batting average was 0.349, dan’s was 0.2, Ed’s was 0.35, an
lawyer [7]

 the highest batting average is of Ed's and that is 0.350 .

<u>Step-by-step explanation:</u>

Here we have , Make, Dan, Ed, and summer played together on a baseball team. Mike’s batting average was 0.349, dan’s was 0.2, Ed’s was 0.35, and sy’swas 0.299. We need to find Who had the highest batting average . Let's find out :

According to question we have following parameters as :

Mike = 0.349\\Dan's=0.200\\Ed's=0.350\\Sy'swas=0.299

Arranging these data from decreasing to increasing order we get :

⇒ 0.200

⇒ (Dan's)0.200

Therefore ,  the highest batting average is of Ed's and that is 0.350 .

7 0
3 years ago
Penn writes a 2013-term arithmetic sequence of positive integers, and Teller writes a different 2013-term arithmetic sequence of
RoseWind [281]

Answer: 503

Step-by-step explanation:

Penn: n = 2013

          a₁ = x

           r = rp

Teller n = 2013

          a₁ = -x

           r = rt

Sum of terms arithmetic sequence: S = (a₁ + aₙ)n/2

Spenn = (x + a₂₀₁₃).2013/2

Steller = (-x + a₂₀₁₃).2013/2

Spenn = Steller

(x + ap₂₀₁₃).2013/2 = (-x + at₂₀₁₃).2013/2

2x = at₂₀₁₃ - ap₂₀₁₃

General term of arithmetic sequence: aₙ = a₁ + (n-1)r

ap₂₀₁₃ = x + (2013-1)rp = x + 2012rp

at₂₀₁₃ = -x + (2013-1)rt = -x + 2012rt

2x = at₂₀₁₃ - ap₂₀₁₃

2x = -x + 2012rt - (x + 2012rp)

2x = -x + 2012rt - x - 2012rp

2x = -2x + 2012rt - 2012rp

4x = 2012rt - 2012rp

4x = 2012(rt-rp)

x = 2012(rt-rp)/4

x = 503(rt-rp)

As rt - rp cannot be 0, and we know that x is positive, the smallest number for (rt-rp) is 1, so the smallest number for x is 503.

4 0
4 years ago
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