A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probability ?P?(jack).
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What will be an ideal response?
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Write an equation relating the variables in the situation described.The sum S of three consecutive integers if the middle number is x.
A. S = 3x B. S = 3x + 3 C. S = 3x + 2 D. S = 3x - 3
You are given the graph of a function f. Determine the intervals where f is concave upward.?
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A. 
B. ?
C. ?
D. ?
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
Evaluate.Let log b A = 2.226 and log b B = 0.13. Find log b 
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A. 2.356 B. 2.226 C. 2.096 D. 0.289