Write the equation in exponential form.log4 
= -2
A. 
2 = 4
B. 416 = 2
C. 24 = 
D. 4-2 = 
Answer: D
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Find n(A) for the set.A = {x | x is a month in the year}
A. n(A) = 1 B. n(A) = 52 C. n(A) = 24 D. n(A) = 12
Choose the most reasonable graph for the following situation. An entrepreneur opens a new restaurant and plans to watch the weekly sales for the first 15 weeks of operation. He hopes weekly sales will approach $10,000.
A.
| Sales at a New Restaurant |
B.
| Sales at a New Restaurant |
C.
| Sales at a New Restaurant |
D.
| Sales at a New Restaurant |
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
Solve.The formula S = P - 0.1P gives the sale price, S, of a shirt that was marked down 10% from the original price, P. Find the sale price of a shirt that originally cost $39.
A. $40.00 B. $38.90 C. $42.90 D. $35.10