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Mnenie [13.5K]
2 years ago
7

Ux=x+y/k, solve for x

Mathematics
1 answer:
nikitadnepr [17]2 years ago
4 0

Answer:

x = y/( ku-1)

Step-by-step explanation:

Here in this question, we are asked to solve for x.

we have;

Ux = x+ u/ k

cross multiply;

k * Ux = x + y

kUx = x + y

kUx- x = y

x(KU-1) = y

x = y/( ku-1)

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Since in this case we are only using the variance of the sample and not the variance of the real population, therefore we use the t statistic. The formula for the confidence interval is:

<span>CI = X ± t * s / sqrt(n)                      ---> 1</span>

Where,

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t = the t score which is obtained in the standard distribution tables at 95% confidence level

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From the table at 95% confidence interval and degrees of freedom of 48 (DOF = n -1), the value of t is around:

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Therefore substituting the given values to equation 1:

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