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lukranit [14]
2 years ago
9

BRAINLIEST TO CORRECT

Mathematics
2 answers:
Dima020 [189]2 years ago
8 0
Answer:

10/9

Step-by-step explanation:

Step-by-step explanation:

5 • 2/9 = 10/9

Multiply 5 and 2

rodikova [14]2 years ago
8 0
Answer: 10/9 or 1 1/9

Explanation:

5/1 is the same thing as 5 so you multiply 5/1 • 2/9. You multiply 5 by 2 (multiply the numerators) to get 10, then multiply 1•9 (multiply the numerators) and you’re left with 10/9 which is an improper fraction. As a mixed number it is 1 1/9.
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Answer:

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Step-by-step explanation:

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How large a sample is needed in order to be 98% confident that the sample proportion will not differ from the true proportion by more than 2%?

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M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.02 = 2.327\sqrt{\frac{0.08*0.92}{n}}

0.02\sqrt{n} = 2.327\sqrt{0.08*0.92}

\sqrt{n} = \frac{2.327\sqrt{0.08*0.92}}{0.02}

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A sample of 997 is needed.

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