3 years ago

5 bag of sugar kilogram or a gram

Mathematics

1 answer:

slamgirl [31]3 years ago

8 0

The answer is 5 bag of gram.
I hope this answers your question.

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If I have a 7/8 gallon of bottled water. How many 3/16 gallon servings can I pour?

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3 years ago

Of the population of all fruit flies we wish to give a 90% confidence interval for the fraction which possess a gene which gives

maks197457 [2]

Answer:

The margin of error for the 90% confidence interval is of 0.038.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

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The margin of error is:

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

To this end we have obtained a random sample of 400 fruit flies. We find that 280 of the flies in the sample possess the gene.

This means that $n = 400, \pi = \frac{280}{400} = 0.7$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

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

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The margin of error for the 90% confidence interval is of 0.038.

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3 years ago

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Step-by-step explanation:

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