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castortr0y [4]
3 years ago
5

Hey, would anyone know the answers/correct matchup to this? (USA test prep)

Mathematics
1 answer:
Komok [63]3 years ago
8 0

Answer:

there you go

Step-by-step explanation:

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Assume the random variable x is normally distributed with mean u = 90 and standard deviation o=5. Find the indicated probability
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<u>Given</u>:

Let the random variable x is normally distributed with mean \mu=90 and \sigma=5

We need to determine the probability of P(X

<u>Probability of </u>P(X<u>:</u>

The formula to determine the value of P(X is given by

Z=\frac{X-\mu}{\sigma}

Thus, we have;

P(X

Simplifying, we get;

P(X

P(X

Using the normal distribution table, the value of -2 is given by 0.0228

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Thus, the value of P(X is 0.0228

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3 years ago
The temperature dropped 6 °F every hour for 6 hours. What was the total number of degrees the
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Answer:

This problem is a rate times time problem.  To find the total amount, you must take the rate per unit of time, and multiply it by the given unit of time

Step-by-step explanation:

-5degrees/hr x 6hr=-30 degrees

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3 years ago
Sunday later my sister clean 1 3/9 hours Monday my mom clean 2 5/6 hours the my bad clean 1 4/2 hours who cleaned the most
ohaa [14]

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Hermana

Step-by-step explanation:

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3 years ago
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You make $443 per week, and have claimed five exemptions. How much money will be withheld from you in a year? For weekly gross i
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Step-by-step explanation:

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If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?
Zanzabum

\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x}{2},\stackrel{y}{-10})~~ \textit{we know } \begin{cases} x=2\\ y=-10 \end{cases}\implies -10=k2\implies \cfrac{-10}{2}=k\implies -5=k \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=-5x~\hfill

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3 years ago
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