3 years ago

In a normal distribution what percent of values fall within one standard deviation of the mean?

1 answer:

Sophie [7]3 years ago

8 0

The answer is given by the empirical rule, 68%.

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Paul [167]

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What do you mean by that?

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ozzi

Answer:

$y(y+2x^2)/x(5y^2-6x)$

Step-by-step explanation:

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Nataly_w [17]

The first answer in the choices

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Alisiya [41]

If someone covers 4 laps in 12 minutes, he would be able to cover 1 lap in 3 minutes if that was the question. The question isn’t really clear.

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svlad2 [7]

Answer:

Associative propertry of addition.

Step-by-step explanation:

The associative property of addition states that:

$a+(b+c) = (a+b)+c$

It states that we can add numbers regardless of the groups. The sum does not change irrespective of how the addends are grouped.

We are given the expression:

$r + (h + t)$

It can be written as:

$(r+h) + t$

It can also be written as:

$r + (h+t) = (r+t) + h = (h+t)+r = h + (t+r)$

Whatever maybe the arrangement of r, h and t, their sum will always be equal. We can regroup them in many ways but the sum remains the same.

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3 years ago