18. La media de una poblacin es 200 y su desviacin estndar es 50. Se va a tomar una muestra aleatoria simple de tamao 100 y se usar la media muestral para estimar la media poblacional. a. Cul es el valor esperado de ? b. Cul es la desviacin estndar de ? c. Muestre la distribucin muestral de d. Qu muestra la distribucin muestral de ? The average of one population is 200 and its standard deviation is 50. It will take a simple random sample of size 100 and Use the sample average to estimate the population average. a. What is the expected value of x ? b. What is the standard deviation of X? c. Show the samping distribution of x. d. What shows the sampling distribution of x? Ineed the process please