Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u= 124.5 and the standard deviation is .4 UCL=
LCL=
With samples sizes of 6 are to be used.

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.