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bixtya [17]
2 years ago
11

Which of the following is the rational exponent expression of 4 square root of f?

Mathematics
1 answer:
bezimeni [28]2 years ago
4 0
The answer is A f1/4
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Answer:

The test statistic is z=2.5.

The null hypothesis is rejected.

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Step-by-step explanation:

This is a hypothesis test for a proportion.

The claim is that more than 10% of the 16 ounce cups are underfilled.

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The significance level is assumed to be 0.05.

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The standard error of the proportion is:

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z=\dfrac{p-\pi-0.5/n}{\sigma_p}=\dfrac{0.18-0.1-0.5/100}{0.03}=\dfrac{0.075}{0.03}=2.5

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P-value=P(z>2.5)=0.006

As the P-value (0.006) is smaller than the significance level (0.05), the effect is  significant.

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