Use a sum-to-product identity to rewrite the expression.sin 4 + sin 35
A. 2 sin 19.5 cos (-15.5)
B. 2 cos 19.5 cos (-15.5)
C. 2 sin 19.5 sin (-15.5)
D. 2 cos 19.5 sin (-15.5)
Answer: A
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Describe the sample space for the experiment.A blue card followed by a green card is drawn from a box containing 2 blue cards numbered 1 through 2, and 3 green cards numbered 1 through 3.
A. {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3)} B. {12} C. {7} D. {(1, 1), (1, 2), (2, 1), (2, 2), (3, 1), (3, 2)}
Solve.
= 
A. 
B. 
C. 
D. 
Evaluate the expression by hand.17641/2
A. 84 B. 21 C. 42 D. 168
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?
A. 0.35 B. 0.559 C. 0.224 D. 0.217