2 years ago

I need helpasdasdasdasd

1 answer:

exis [7]2 years ago

8 0

Answer: Is C

Your answer: C

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anastassius [24]

120 times because 300 divided by 25

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2 years ago

vazorg [7]

12/20=.6

Thus, move the decimal point two places to the right, and the answer is 60%

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asambeis [7]

Answer:

$n\geq 23$

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

$n\geq (\frac{z\sigma}{ME})^2$

Where:

We substitute our given values to calculate the sample size:

$n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23$

Hence, the smallest desired sample size is 23

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2 years ago

Tanya [424]

Answer: B (0.17, 2.33)

Step-by-step explanation:

A P E X

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Andru [333]

Two positives make a positive
two negatives make a positive
1 negative and 1 positive make negative
1 positive and 1 negative make a negative

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2 years ago