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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Use the earthquake magnitude scale to answer the question.How much energy, in joules, is released by an earthquake of magnitude 6?
A. 2.5 × 1016 joules B. 2.5 × 1013 joules C. 2.5 × 1010 joules D. 2.4 × 1013 joules
Mathematics
Solve the inequality analytically. Support the answer graphically. Give exact values for endpoints.x2 + 5x ? -6
A. [2, 3] B. (2, 3) C. [-3, -2] D. (-?, 2] ? [3, ?)
Mathematics
Solve.-7 - 15 + 2 = x
A. -20 B. -24 C. 20 D. 24
Mathematics
Find fractional notation for the ratio. You need not simplify.2.2 to 50
A. 
B. 
C. 
D. 
Mathematics