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4 years ago

8

a beaker holds 50mL of a liquid.How many centiliters does the beaker hold? a.5000cL b.5cL c.5000cL d.500cL

1 answer:

Sindrei [870]4 years ago

3 0

Answer:

Your answer is 5cl

Step-by-step explanation:

This is because of King Henry Died by Drinking Chocolate Milk (Kilometers,Hectometers, Decameters, Base(Liters,Meters, and Grams) Decimeters, Centimeters and Millimeters). So when you have 50 milliliters, milliliters is one place away from centiliters so you move the decimal forward one place.

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For a discrete frequency distribution is calculated following the steps:

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$E(X)=\frac{\Sigma xf}{\Sigma f}$

$E(X)=\frac{0(700)+1(900)+2(600)+3(300)}{2500}$

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2) Multiply frequency and the squared difference of x and expected value:

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4) Divide the sum per frequency total:

$V(X)=\frac{\Sigma [f(x-E(X))^{2}]}{\Sigma f}$

$V(X)=\frac{2400}{2500}$

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The variance of the number of cups of coffee is <u>0.96</u>.

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