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2 years ago

HELP 1,2 AND 3 PLEASEEEEEEE

Mathematics

1 answer:

Molodets [167]2 years ago

6 0

$\\ \sf\longmapsto 6^{-3}$

$\\ \sf\longmapsto \dfrac{1}{6^3}$

$\\ \sf\longmapsto \dfrac{1}{216}$

$\\ \sf\longmapsto 786700000=7.867\times 10^8passengers$

$\\ \sf\longmapsto 1.584\times 10^7=15840000$

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3 years ago

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Mr. Gonzazales has only 42.50 to spend he wants to buy 29 t shirts including tax and some bracelets that cost 4.50 each includin

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Answer:

He can buy 3 bracelets.

Step-by-step explanation:

Given:

Mr. Gonzales has only 42.50 to spend he wants to buy 29 t shirts including tax and some bracelets that cost 4.50 each including tax.

Now, to find the number of bracelets he can buy.

Let the number of bracelets he can buy be $x.$

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Now, to get the number of bracelets we put an equation:

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3 years ago

The mean of a normal probability distribution is 500 and the standard deviation is 10. about 95 percent of the observations lie

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Answer:

So about 95 percent of the observations lie between 480 and 520.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

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95% of the measures are within 2 standard deviations of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

The mean is 500 and the standard deviation is 10.

About 95 percent of the observations lie between what two values?

From the Empirical Rule, this is from 500 - 2*10 = 480 to 500 + 2*10 = 520.

So about 95 percent of the observations lie between 480 and 520.

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3 years ago