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Dimas [21]
2 years ago
12

The total cost for 25 camp counselors

Mathematics
1 answer:
max2010maxim [7]2 years ago
4 0

Answer:

$187.50 for shirts + The price for the hats.

Step-by-step explanation:

7.50 x 25 =the price for the shirts and 5 x K= the price for hats

K= how many camp counselors need hats.

in all add 187.50 and the price for the hats.

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Find the mean, standard deviation, and variance of Lucas's lunch expenditures. Round to the nearest thousandth.
olga2289 [7]
So mean is pretty easy to calculate; you just add everything up and divide by the number of things you added. Variance is pretty tricky because it involves subtracting the mean from each number, squaring that, adding all of the numbers up, and then dividing by the number of things. Then standard deviation is just the square root of the variance. Although some might enjoy spending hours figuring these out (I actually had to take a class where we only did this and stuff like it), most of us who use statistical tests do not want to waste our time on it. It is for that reason that there are websites that will compute all of these and all you have to do is put in the numbers. A pretty good one is:

http://www.calculator.net/standard-deviation-calculator.html

This one will calculate these and almost any other tests you need.

Now to your problem, if we add all of them up and divide by N (the # of things added), then we will get a mean of (μ=$5.10). From this, we can do further descriptive statistics. Standard Variance of the sample was calculated to (s^2=0.254). If we take the square root of the variance, we get a standard deviation of (s=0.504). I hope that this helps you with this problem and I hope that I helped for future problems by introducing the variance and standard deviation calculator to you!
7 0
3 years ago
Solve for r.<br> - 8x + 14 &gt; 60 OR<br> - 4r + 50 &lt; 58<br> Choose 1 answer:
hodyreva [135]
R would equal 2 i think
6 0
3 years ago
What is the volume of a regular pyramid whose base has an area of 36 ft? and whose height is 13 ft?
Lesechka [4]

Answer:

Volume of regular pyramid = 156 ft²

Step-by-step explanation:

Given:

Area of regular pyramid = 36 ft²

Height of regular pyramid = 13 ft

Find:

Volume of regular pyramid

Computation:

Volume of regular pyramid = [1/3][b][h]

Volume of regular pyramid = [1/3][36][13]

Volume of regular pyramid = [12][13]

Volume of regular pyramid = 156 ft²

4 0
3 years ago
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Anna71 [15]
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7 0
3 years ago
How would I reduce this to lowest terms?
Andrew [12]

Since "a" is on the top and the bottom, you can simplify that

\frac{a^2b^2}{ac}

\frac{ab^2}{c}

6 0
2 years ago
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