Historical data indicates that 70% of all orders processed b…

Historical data indicates that 70% of all orders processed by a specific distribution center are “Perfect Orders” (delivered on time, in full, damage-free, and with correct documentation). Assume that the status of each order is a binomial random variable. If 20 orders are randomly audited, what is the probability that fewer than 17 but 13 or more are perfect orders? 

Brad executes a command in R to generate correlation matrix …

Brad executes a command in R to generate correlation matrix  R command:   round(cor(df[,c(2:6)]),3)  Based on output of this command and keeping in mind that Wperc is a dependent variable while Age, Wt, ShPerc, SVPerc are independent variables , which statement is correct.