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
Answer: A
Mathematics
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A. {4.743} B. {6.491} C. {4.051} D. {5.271}
Mathematics
Fill in the blank with one of the words or phrases listed below. 
The position of each digit in a number determines its 
.
A. factor B. place value C. digits D. divisor
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.4x2 = 28
A. x = 8
B. x = ± 7
C. x = 14
D. x = ±
Mathematics
Solve the problem.One end guy wire is attached to the top of a 20-foot pole and the other end is anchored into the ground 14 feet from the base of the pole. Find the length of the guy wire. Round to the nearest tenth foot.
14 feet
A. 24.4 ft B. 34.2 ft C. 24.6 ft D. 34 ft
Mathematics