Los sueldos semanales (en dólares) de empleados de una pequeña empresa se muestran a continuación. (Notemos que estos ya están ordenados de menor a mayor.) 647, 771, 797, 823, 837, 840, 862, 865, 884, 954 Supongamos que el salario cambia a . Contestar lo siguiente. (a) ¿Qué le sucede a la mediana? Disminuye Aumenta Permanece igual (b) ¿Qué le sucede a la media? Disminuye Aumenta Permanece igual

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

If the car had not hit the fence, how much farther would it have skidded? solve the skid-distance formula to find the extra distance that the car would have traveled if it had not hit the fence. round your answer to two decimal places. note that unit conversion is built into the skid distance formula, so no unit conversions are needed.

The hockey team has been great! in 2008, they won 20% more games than in 2007 in 2009 they won 50% more games than in 2008 what was their overall percentage increase from 2007 through2008?