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Nutka1998 [239]
3 years ago
11

Points: here answer 3b+10

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
7 0

Answer:

3b+10

Step-by-step explanation:

The expression is not factorable with rational numbers.

3b+10

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A simple random sample of size n is drawn from a normally distributed population, and the mean of the sample is (x with a line o
prohojiy [21]

Answer:

Last option

{\displaystyle {\overline {x}}} \± \frac{2.58*s}{\sqrt{n}}

Step-by-step explanation:

{\displaystyle {\overline {x}}}

If we extract a sample of size n from a normal population and we want to estimate the population mean then the confidence interval for the mean will be:

{\displaystyle {\overline {x}}} \± Z_{\alpha/ 2}*\frac{s}{\sqrt{n}}

Where

Where {\displaystyle {\overline {x}}}  is an estimator for the mean μ.

n is the sample size and s is its standard deviation.

\alpha is the level of significance

\alpha= 1-Confidence Level

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\alpha = 0.01

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Then the 99% confidence interval for the population mean is

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3 0
4 years ago
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W-1 in an verbal expression
elena-s [515]

Answer:

1 subtracted from the variable w.

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7 0
3 years ago
This is the table for my last most recent question please help
Andreas93 [3]

Answer:

Step-by-step explanation:

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3 years ago
Four times a number added to seven is 23 what is the number
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We convert this word equation to a number equation, then work it out.

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6 0
3 years ago
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