You have been asked to review a control chart and investigate any abnormal (or special cause) variation. Which of the following options is NOT a good indication of abnormal or special cause variation?

A	Data points outside the control limits, regardless of their proximity with respect to the specification limits
B	Data points inside the control limits, but outside of the specification limits
C	Look for seven points in a row heading in an upward direction
D	Look for seven points in a row either above or below the grand average

If an honest coin is flipped nine (9) times, what is the probability of obtaining exactly seven (7) tails?

A	12%
B	14%
C	7%
D	9%

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