Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3, and P4.)The weight of the coalition {P2, P3, P4} is
A. 57.
B. 60.
C. 28.
D. 25.
E. none of these
Answer: C
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A seemingly simple argument is given. Identify at least two hidden assumptions.It is important to visit the dentist every 6 months to insure healthy teeth and gums.
What will be an ideal response?
Solve the system by the addition method.x2 - 3y2 - 1 = 04x2 + 3y2 - 19 = 0
A. {(-1, 2), (1, -2)} B. {(2, 1), (-2, -1)} C. {(2, 1), (2, -1), (-2, 1), (-2, -1)} D. {(1, 2), (-1, 2), (1, -2), (-1, -2)}
Identify the problem with the method used to obtain a random sample.A quality control manager would like to assess the quality of service provided by one of his customer service representatives. He would like to listen to a random sample of calls handled by the representative. He monitors the first 30 calls handled by the representative on a Monday morning.
A. The day Monday was not chosen at random. The manager should write each day of the week on a slip of paper, put the slips in a bag, mix them thoroughly, close his eyes and pick a slip from the bag. He should then monitor the first 30 calls handled by the representative on the day selected. B. The manager cannot pick a random sample because he is not objective. Someone other than the manager should select the calls to be monitored. C. The sample is biased. Calls handled at times other than Monday morning have no chance of being selected. The first 30 calls handled on a Monday morning might not be representative of all calls handled by the representative.. If the representative happened to be tired or in a bad mood on the Monday morning this would affect all calls in the sample.
Write an equation for the line described. Give your answer in slope-intercept form.m = 8, through (2, -7)
A. y = 8x + 22 B. y = 9x + 24 C. y = 8x - 21 D. y = 8x - 23