Did they give you the tax rate, or are you supposed to include the tax in the price of one bottle?
My guess is 3.109126351029605. I am not 100% sure its the correct answer you are looking for. Good luck!
With
a standard deviation of 6 minutes, we will test the hypothesis that σ = 6
against the alternative that σ < 6 if a random sample of the test
times of 20 high school seniors has a standard deviation s = 4.51. use a
0.05 level of significance.
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Is this supposed to be simplified orrr?
I’m not completely sure if I’m right but 6..?
