Question: cture. com D Question 19 2 pts Use the R code on page 173 (after installing and librarying the package Weighted. Desc.Stat), to find the

cture. com D Question 19 2 pts Use the R code on page 173 (after installing and librarying the package Weighted. Desc.Stat), to find the mean of X from the previous problem, rounded to 4 decimal places. D Question 20 1 pts Consider X from above. Multiply its number of trials by its probability of success. What number do you get? Question 21 2 pts Use the R code on page 173 (after installing and librarying the package Weighted.Desc.Stat), to find the variance of X from above, rounded to 4 decimal places

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