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Lorico [155]
2 years ago
10

Can anyone help pls?

Mathematics
2 answers:
Kazeer [188]2 years ago
4 0

option D

hope it helps...!!!

bogdanovich [222]2 years ago
4 0
<h3><u>given</u><u>:</u></h3>

<u>7 \frac{5}{8}  + 4 \frac{2}{3}</u>

<h3><u>to</u><u> </u><u>find</u><u>:</u><u> </u></h3>

the simplest form.

<h3><u>solution</u><u>:</u></h3>

<u>\frac{61}{8}  +  \frac{14}{3}</u>

<u>=  \frac{(61 \times 3) + (14 \times 8)}{8 \times 3}</u>

<u>=  \frac{183 + 112}{24}</u>

<u>= \frac{295}{24}</u>

<u>= 12 \frac{7}{24}</u>

<u>hence</u><u>,</u><u> </u><u>the</u><u> </u><u>correct</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>option</u><u> </u><u>D</u><u>.</u>

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Step-by-step explanation:

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To test the researcher's claim use a one-proportion <em>z</em>-test.

The hypothesis can be defined as follows:

<em>H</em>₀: The proportion of college students who work​ year-round is 58%, i.e. <em>p</em> = 0.58.

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Compute the sample proportion as follows:

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Compute the test statistic value as follows:

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Decision rule:

If the p-value of the test is less than the significance level then the null hypothesis will be rejected.

Compute the p-value for the two-tailed test as follows:

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The p-value of the test is 1.

The p-value of the test is very large when compared to the significance level.

The null hypothesis will not be rejected.

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6 0
3 years ago
Hira is rollerblading at 9 m/s. Danni is climbing at 7 m/s. Amelia is cartwheeling at 2 m/s.
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A trapezoid has an area of 13.5 square inches. If the bases are 3 and 6 inches what is the height?
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Well the formula is : b1+b2/2 (h)

so the height would be solved as : 
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