(✰✰✰✰) Suppose X is a random variable with the probability density p(x) = K = E[X] = 0 Var[X] = K (49 + x2)³ 3' . Find the following:

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A: Thanks.Explanation:A.)Then, the 90% confidence interval is given by;= xbar ± t*(s/sqrt(n))=270.5 ±…

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Q: Calculate the Semi-Interquartile Range using the following data sets:   {12,15,15,17,19,19,20,22 }

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