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3 years ago

-6(10t – 5.1) Please help me!!!

Mathematics

1 answer:

wlad13 [49]3 years ago

3 0

Step-by-step explanation:

Write the equation

${:}\longrightarrow\sf -6 (10t-5.1)$

Simplify

${:}\longrightarrow\sf -60t+30.6$

Required Answer

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Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

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Solution to the problem

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 99% of confidence, our significance level would be given by $\alpha=1-0.99=0.01$ and $\alpha/2 =0.005$ . And the critical value would be given by: