Solve using Cramer's Rule.Twice the water flow in the hot-water pipe is the same as three times the flow in the cold-water pipe. The combined flow is 1400 liters per hour. What is the flow in each pipe?
A. 840 liters/hr hot, 560 liters/hr cold
B. 700 liters/hr hot, 467 liters/hr cold
C. 467 liters/hr hot, 700 liters/hr cold
D. 560 liters/hr hot, 840 liters/hr cold
Answer: A
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-|34|
A. > B. = C. <
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
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A. yes B. no