After the Carolingian collapse, what was the first great problem that Europe faced?
a. how to construct basilicas
b. how to fight off invading Muslim forces
c. how to heal the schism with the Byzantine Empire
d. how to redistribute power
d. how to redistribute power
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Chebyshev’s inequality (Section 2.4) states that for any random variable X with mean µ and variance 
, and for any positive number 
Let 
Compute 
for the values k = 1, 2, and 3. Are the actual probabilities close to the Chebyshev bound of 
or are they much smaller?
What will be an ideal response?
Air consists of approximately __% nitrogen, __% oxygen and __% other gases
Fill in the blank(s) with the appropriate word(s).
A flex-fuel vehicle uses the PCM to make adjustments to the engine according to the percentage of ethanol in the fuel. The PCM must adjust which engine settings?
A) Ignition timing B) Quantity of fuel delivered C) Both A and B D) Neither A nor B
The Zener regulator shown in Figure P9.59 holds the load voltage at Vo = 14 V. Find the range of load resistance Ro for which regulation can be obtained if the Zener diode is rated at 14 V, 5 W.
