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Kazeer [188]
3 years ago
9

Whats the answer two -9=7-x

Mathematics
2 answers:
garri49 [273]3 years ago
7 0
I hope this helps you

tatiyna3 years ago
7 0
−9 = 7−x

<span><span>−9 </span>= <span><span>7+</span>−x
</span></span><span><span>−9 </span>= <span><span>−x</span>+7</span></span>
<span><span><span>
−x</span>+7 </span>= <span>−9</span></span>
<span><span><span><span>
−x</span>+7</span>−7 </span>= <span><span>−9</span>−7
</span></span><span><span>−x </span>= <span>−16</span></span>
<span>
x=
<span>16</span></span>
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Answer:

Step-by-step explanation:

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Standard error = √{(p1 - p2)/[(p1(1 - p1)/n1) + p2(1 - p2)/n2}

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n2 = number of samples in population 2,

From the information given

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p2 = 0.67

1 - p2 = 1 - 0.67 = 0.33

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= √0.1/(0.0031 + 0.0032)

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= 12.6

the standard error of the distribution of differences in sample proportions is 12.6

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