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GREYUIT [131]
3 years ago
5

A machine at a food-distribution factory fills boxes of rice. The distribution of the weights of filled boxes of rice has an app

roximately Normal distribution, with a mean of 28.2 ounces and a standard deviation of 0.4 ounces. What percentage of filled boxes of rice have a weight less than 27.9 ounces?
Find the z-table here.

22.7%
38.2%
61.8%
77.3%
Mathematics
1 answer:
lakkis [162]3 years ago
6 0

Answer:

c thats all

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

We have the two functions:

f(x)=x^2-3x-10\text{ and } g(x)=x-5

And we want to find (f-g)(x).

(f-g)(x) is equivalent to f(x)-g(x).

Therefore:

\begin{aligned} (f-g)(x)&=f(x)-g(x)\\ &=(x^2-3x-10)-(x-5)\end{aligned}

Simplify:

\begin{aligned} &=x^2-3x-10-x+5 \\ &=(x^2)+(-3x-x)+(-10+5) \\ &=x^2-4x-5\end{aligned}

Therefore:

(f-g)(x)= x^2-4x-5

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