3 years ago

Pls help!! ASAP!!!!

Mathematics

1 answer:

Sholpan [36]3 years ago

3 0

Figure A’B’c’d is equal to the measure of angle A

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What sample size should be used if we would like to estimate the mean age of the college students at a particular campus with 95

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Answer: 12

Step-by-step explanation:

The formula to find the sample size is given by:-

$n=(\dfrac{z_c\cdot \sigma}{E})^2$ , where $\sigma$ is the population standard deviation, $z_c$ is the z-value for the $(1-\alpha)$ confidence interval and E is the margin of error .

As per given , we have

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Hence, the required minimum sample size = 12

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3 years ago

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Which of the following numbers can be expressed as repeating decimals?

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Step-by-step explanation:

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