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Alla [95]
3 years ago
8

What is 7 times 7 over 1 equal

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0

Answer:

49

Step-by-step explanation:

7*7/1=49 This is because 7/1 equals 7 since 1 goes into 7, 7 times so really the equation 7*7 which still equals 49.

Sloan [31]3 years ago
4 0
49. Because 7 times 7 is 49 and anything divided by 1 is it self. In this case, 49 is being divided by 1 so it equals itself. The answer is 49
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Answer:

The sample size required is 910.

Step-by-step explanation:

The confidence interval for population proportion is:

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MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }

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The critical value of <em>z</em> for 90% confidence level is:

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Compute the sample size required as follows:

MOE=z_{ \alpha /2}\sqrt{\frac{\hat p(1-\hat p)}{n} }\\0.02=1.645\times \sqrt{\frac{0.16(1-0.16)}{n} }\\n=\frac{(1.645)^{2}\times 0.16\times (1-0.16)}{(0.02)^{2}} \\=909.2244\\\approx910

Thus, the sample size required is 910.

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