I Don't Know How She Does It Does It" opened at #6 on its opening weekend with $4,402,201. It earned $9,662,284 in the United States as well as $20,889,211 internationally for a worldwide total of $30,551,495. I Don't Know How She Does It I Don't Know How She Does It is a 2011 American comedy film based on Allison Pearson's novel of the same name. Directed by Douglas McGrath, the film stars Sarah Jessica Parker, Pierce Brosnan and Greg Kinnear. It was released on September 16, 2011 and grossed $30 million against its $24 million budget. "I Don't Know How She Does It" was released for North
Normally distributed and uncorrelated does not imply independent Normally distributed and uncorrelated does not imply independent In probability theory, although simple examples illustrate that linear uncorrelatedness of two random variables does not in general imply their independence, it is sometimes mistakenly thought that it does imply that when the two random variables are normally distributed. This article demonstrates that assumption of normal distributions does not have that consequence, although the multivariate normal distribution, including the bivariate normal distribution, does. To say that the pair ("X", "Y") of random variables has a bivariate normal distribution means that every constant (i.e. not random) linear combination "aX" + "bY" of "X"