Suppose that of 80 workers randomly selected and interviewed, 47 were opposed to an increase in Social Security taxes. Would you accept or reject the hypothesis that the majority of workers are opposed to the increase in taxes?
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It will be correct to __________ (accept, reject) the hypothesis.
Fill in the blank(s) with the appropriate word(s).
reject
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Solve the problem.A salesman packed 3 shirts and 5 ties. With one shirt, he could wear all 5 ties. With another shirt, he could wear 4 ties. With the third shirt, he could wear only 3 ties. How many different combinations did he have?
A. 60 B. 11 C. 23 D. 12
Solve the system of equations by using elimination by addition.
A. (1, 1) B. Inconsistent C. (1, 0) D. (0, 1)
Solve the problem.The height of a triangle is 2 centimeters less than its base. If the area of the triangle is 39 square centimeters, find the base and height of the triangle. Round to the nearest tenth of a centimeter if necessary.
A. base: 7.9 cm, height: 5.9 cm B. base: 7.9 cm, height: 9.9cm C. base: 11.9 cm, height: 9.9 cm D. base: 9.9 cm, height: 7.9 cm
Find the magnitude of the vector and the angle 
, 
, that the vector makes with the positive x-axis.
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A. ?
B. ?
C. 
D. ?
E. ?