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.
Rico Suave (song) From Wikipedia, the free encyclopedia. Rico Suave is a 1990 single by Ecuadorian rapper and singer Gerardo. It appeared on his 1991 album Mo' Ritmo. The track peaked at #7 on Billboard's Hot 100 chart on April 13, 1991, and reached #2 on the Hot Rap Singles chart a week earlier. In the song, the narrator tells of his luck with women and his lady-loving lifestyle.