DP Mathematics HL Questionbank

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Directly related questions

• 18M.3sp.hl.TZ0.5b.ii: Hence write down an unbiased estimator of Var(X).
• 18M.3sp.hl.TZ0.5b.i: Show that ${\text{E}}\left( U \right) = \left( {n - 1} \right)p\left( {1 - p} \right)$.
• 18M.3sp.hl.TZ0.5a: Show that $P = \frac{X}{n}$ is an unbiased estimator of $p$.
• 15N.3sp.hl.TZ0.5b: The die is rolled a second time, and the score ${X_2}$ is noted. (i)     Show that...
• 15M.3sp.hl.TZ0.4b: A random sample ${X_1},{\text{ }}{X_2},{\text{ }}{X_3}$ of three independent observations is...
• 14N.3sp.hl.TZ0.4c: Let $T = \frac{Y}{2} + \frac{Y}{2}$. (i)     Show that $T$ is an unbiased estimator for...