3 years ago

Which lists all of the factors of 12?

Mathematics

1 answer:

Anna71 [15]3 years ago

3 0

The answer is A. 1,2,3,4,6,12

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Dahasolnce [82]

Answer:

Step-by-step explanation:

Frank has 5 cards.

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It's believed that as many as 23% of adults over 50 never graduated from high school. We wish to see if this percentage is the

laila [671]

Answer: 756

Step-by-step explanation:

Given : The proportion of adults over 50 never graduated from high school. = 0.23

Margin of error : E=0.03

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

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

$n=p(1-p)(\dfrac{z_{\alpha/2}\ }{E})^2$

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Hence, the required minimum sample size = 756

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3 years ago