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Lubov Fominskaja [6]
3 years ago
6

find the variance and standard deviation of the given set of data to the nearest tenth. 440,130,280,500,150,640,760

Mathematics
1 answer:
Westkost [7]3 years ago
8 0

Answer:

The variance is 49595.9

The standard deviation is 222.7

Step-by-step explanation:

The step -by -step explanation is shown in the picture above.

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What is x/5+7=16 gonna be?
Margarita [4]

x=45

Step-by-step explanation:

x/5+7-7=16-7

5/1×x/5=9×5/1

x=45

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The Ferris wheel at the fair requires riders to be over 48 inches
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4ft

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Consider a manufacturing process with a quality inspection station. In the past, 10% of parts are defective. As soon as one defe
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0.9

Step-by-step explanation:

10% is equal to 0.1

The probability of having defective parts in a pile of parts is 0.1

Before the process is stopped, 1 part has to be defective.

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Since there was no defective part among the first 6 parts, P(d) was 0

That is, probability of a defective part was zero.

7 0
3 years ago
Please help. In the figure two lines intersect to form the angles shown. What is the value of p
VladimirAG [237]
Should be 64 degrees as the two angles are on a plane which is 180 degrees. and 180 minus what is given (116) would come out to 64.
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Triangle EFG, with vertices E(-9,2), F(-5,3), and G(-7,5), is drawn inside a rectangle, as shown below.
Lady bird [3.3K]

Check the picture below.

so hmmm let's get the whole area of the rectangle, and then <u>get the areas of those 3 triangles and subtract their area from that of the rectangle's,</u> what's leftover is what we didn't subtract, namely, the white triangle.

\stackrel{\textit{\huge Areas}}{\stackrel{rectangle}{(3)(4)}~~ - ~~\stackrel{green~triangle}{\cfrac{1}{2}(2)(3)}~~ - ~~\stackrel{pink~triangle}{\cfrac{1}{2}(2)(2)}~~ - ~~\stackrel{yellow~triangle}{\cfrac{1}{2}(4)(1)}} \\\\\\ 12~~ - ~~3~~ - ~~2~~ - ~~2\implies 5

5 0
2 years ago
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