Simplify.
- 
A. 
B. 
C. 
D. 
Answer: C
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Round the whole number to the given place value.288,717 to the nearest ten thousand
A. 290,000 B. 280,000 C. 300,000 D. 288,000
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
Find the optimal row or column strategy of the matrix game.Let M be the matrix game having payoff matrix 
.Find the optimal row strategy.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Verify that the matrix is invertible and find its inverse.A = 
A.
A-1 = 
B.
A-1 = 
C.
A-1 = 
D. A-1 does not exist.