8(4X – 12) I will give brainliest!!
2 answers:
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Answer:
We want a confidence of 99% so then the significance level would be 1%
The degrees of freedom are given by:
And the critical value using the significance level and
and the critical value would be:
Step-by-step explanation:
We know the following info :
represent the standard deviation from the sample
represent the sample size selected
We want a confidence of 99% so then the significance level would be 1%
The degrees of freedom are given by:
And the critical value using the significance level and
and the critical value would be: