Remember that we already learned about the standard error .... The standard error of the sample mean is given by the following equation: $$\sigma_\bar{y} = \frac{\sigma}{\sqrt{n}} $$. In the above equation, $\sigma$ is the population standard deviation. But like $\mu$, $\sigma$ is an unknown parameter.
Alicia Keys and and Jack White to Sing Quantum of Solace Theme Song. The news does not come as a shock to Bond fans, as Universal Exports first reported the possibility of Alicia Keys singing the Quantum of Solace theme song back on July 11, 2008.
Green Light is a song recorded by American R&B recording artist John Legend. It was written by Legend, Andre Benjamin, Fin Greenall, James Ho and Rick Nowels for his third studio album Evolver (2008). Produced by Malay and KP, the song was released as the first single on August 26, 2008 through Columbia Records.