Statistics And Probability Archive: Questions from January 31, 2023
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1. (25 puntos) Considere la siguiente función de densidad conjunta para las \( \mathrm{V} \).a \( (\mathrm{X}, \mathrm{Y}) \) \[ f(x, y)=\left\{\begin{array}{cc} x+y, & \text { st } 0 \leq x \leq 1,02 answers -
(20 puntos) Una encuesta a 40 personas sobre la preferencia en el uso de tres marcas de neumáticos A, B,C revelb b sigulente. 15 personas prefieren la marca de neumático A, 10 sólo prefieren la mar2 answers -
Problems 33, 36, 39, 42, 45, 48.
29.| Between \( z= \) Basic Computation: Finding Probabilities In Problems \( 31-50 \), let \( z \) be a randon variable with a standard normal distribution. Find the indicated probability, and shade2 answers -
15. Let \( c>0 \) and consider the loss function \[ L(\theta, a)=\left\{\begin{array}{ll} c|\theta-a| & \text { if } \theta2 answers