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erica [24]
3 years ago
9

I need to know the answer ASAP

Mathematics
2 answers:
Alex777 [14]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The numerical coefficient is sqrt(8/3), so all you have eliminated is D.

Now you have to consider the literal all by itself.

sqrt(x^2)/sqrt(x) can be written as (sqrt(x^2/x)) = sqrt(x)

x^2 when divided by x leaves x

another way of looking at it is sqrt(x)*sqrt(x) / sqrt(x) = sqrt(x)

So the answer is sqrt(8/3 * x)

Andrej [43]3 years ago
3 0

Answer:

Step-by-step explanation:

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Rashid [163]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
A random variable x is normally distributed with a mean of 100 and a variance of 25. Given that x = 110, its corresponding z- sc
Rashid [163]

A random variable x is normally distributed with a mean of 100 and a variance of 25. Given that x = 110, its corresponding z- score is 0.40.

Answer: The given z-score is false.

Explanation: We are given:

Mean, \mu=100,

Variance, \sigma^{2}=25

\therefore\sigma=\sqrt{\sigma^{2}}

                 =\sqrt{25}

                 =5

The z-score formula is given below:

z=\frac{x-\mu}{\sigma}

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        =\frac{10}{5}

        =2

Therefore, the z-score corresponding x=100 is 2

Therefore, the given z-score = 0.4 is false.


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