3 years ago

An unbiased sample is one in which every member of the group has an equal chance of being chosen.

Mathematics

2 answers:

elena-14-01-66 [18.8K]3 years ago

8 0

This is true, because everyone has a fair chance

andreyandreev [35.5K]3 years ago

4 0

True, biased is pushing towards one side

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Sergio039 [100]

Answer:

A) (2,5)

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C) (3,2)

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E) (1,-3)

F) (-1,-3)

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3 years ago

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Answer:

y = n +.1x

Step-by-step explanation:

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3 years ago

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3 years ago

Simplify 5+2i/6+i

nlexa [21]

Given problem is $\frac{(5+2i)}{(6+i)}$

To simplify that we need to multiply and divide by conjugate of the denominator

conjugate of denominator 6+i will be 6-i as we just need to change sign of the imaginary part

Now multiply and divide by 6-i

$=\frac{(5+2i)}{(6+i)}\cdot\frac{(6-i)}{(6-i)}$

$=\frac{30-5i+12i-2i^2}{36-6i+6i-i^2}$

$=\frac{30+7i-2i^2}{36-i^2}$

$=\frac{30+7i-2\left(-1\right)}{36-\left(-1\right)}$

$=\frac{30+7i+2}{36+1}$

$=\frac{32+7i}{37}$

$=\frac{32}{37}+\frac{7}{37}i$

Hence final answer is $\frac{32}{37}+\frac{7}{37}i$

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3 years ago

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3 years ago

Read 2 more answers