Find the median for the given sample data.2, 12, 16, 21, 30, 30, 49Find the median for the data.
A. 16
B. 25.5
C. 30
D. 21
Answer: D
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 49t2, y = 7t, -? ? t ? ?
A. y = x2; Entire parabola, left to right (from
2nd quadrant to origin to 1st quadrant)
B. y = x2; Entire parabola, right to left (from
1st quadrant to origin to 2nd quadrant)
C. x = y2; Entire parabola, bottom to top (from
4th quadrant to origin to 1st quadrant)
D. x = y2; Entire parabola, top to bottom (from
1st quadrant to origin to 4th quadrant)
Find the product.(x + 1)(3x + 6)
A. x2 + 9x + 9 B. 3x2 + 6x + 9 C. 3x2 + 9x + 6 D. 3x2 + 8x + 6
Solve the absolute value equation.|2x + 6| = 10
A. x = 2 B. x = -2, 8 C. x = -8, 2 D. x = -8
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2