Find an equation of the line.
A. y = 2x
B. y = - 2x
C. y = - 
x
D. y = 
x
Answer: D
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Use the data set {-100, -99, -98, ..., -2, -1, 0} to answer the following question(s).The data set has a median of
A. -50. B. -49.5. C. -50.5. D. -51. E. none of these
Determine whether the vectors v and w are orthogonal.v = < 3, -2 >, w = < -6, -9 >
A. Orthogonal B. Not orthogonal
Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083
Simplify the expression.
- 
+ 
A. 
B. -1
C. 1
D. 