Correct Answer : 0.03
Explanation : If a bell curve is assumed, the probability of a "six sigma" event is on the order of one ten millionth of a percent.
Correct Answer : Slow processing of documents
Explanation : Code and text is in one place.
Correct Answer : There are three types of random variable
Explanation : There are two types of random variable- continuous and discrete.
Correct Answer : RMarkdown
Explanation : knitr is available on CRAN.