Question 3 The simplest equation which implements the Karnaugh-map shown below is: c C AB 0 0 AB 1 1 AB 1 1 AB 0 1 B © B+ AC AB + AB + AC ABC ABC + ABC ABC + AB+ AB

9. Six determinations of a quantity, as entered on the data sheet and pre- sented to you for analysis, are 12.35, 12.71, 12.48, 10.24, 12.63, and 12.58. Examine the data and on the basis of your conclusions, calculate (a) the arithmetic mean, (b) the standard deviation, (c) the probable error in per cent of the average of the readings. 10. Two resistors have the following ratings: R, = 36 0 + 5% and R, = 75 + 5%.

For the model defined in Question , is the system controllable? a.Yes b.No   For the model defined in Question , is the system observable? a.Yes b.No

I'm confused, please help with some explanation. Thank u