Ten samples of a process measuring the number of returns per 100 receipts were taken for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, and 11. Find the standard deviation of the sampling distribution for the p-bar chart.

Standard Deviation = 0.0273

Step-by-step explanation:

P = Total number of returns / (Sample * Timetaken)

   = 81 / (100 * 10)

    = 0.081

Standard Deviation = √((P * (1 - P)) / Samples

                                          = √((0.081 * (1 - 0.081)) / 100

                                           = 0.0273

all the angles opposite to the angle 150 would be 150 and all the angles that are next to 150 are 30 because they equal 180 it you add it up.

step-by-step explanation: