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The dataframe for the years 1996-1998 is called assigned_years_league_df The variable 'elo_n' represents the relative skill of teams. Start by calculating the mean and the standard deviation of relative skill (ELO) in years 1996-1998. Calculate n that represents the sample size. Calculate the standard error which is equal to the standard deviation of Relative Skill (ELO) divided by the square root of the sample size n. Assuming that the population standard deviation is known, use Python methods for the Normal distribution to calculate the confidence interval. Your statistics should be rounded to two decimal places.

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Hypothesis: volumes of both figures are equal.the volume of figure 1 is: $v_1=a_{basis}\cdot h=\frac{1}{2} \cdot 5\cdot7\sin \alpha\cdot 8=280\sin \alpha$ .the volume of figure 2 is: $v_2=a\cdotb\cdotc=5\cdot7\cdot8=280$ .since $0\le \alpha\le \pi$ , you can conclude that $0\le\sin\alpha\le1$ and $0\le v_1\le 140$ . so, $v_1\le v_2$ .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

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amazon is a website were you shop cosmetics such as clothes, electronics and food. amazon also makes there own thechnology such as kindle book readers and tablets or the alexa which is an inteligent ai. and they also have a streaming service which is called prime video.

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The dataframe for the years 1996-1998 is called assigned_years_league_df The variable 'elo_n' repres...

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