Find the expected value of the probability density function to the nearest hundredth.f(x) = 
; [0, 5]
A. 12.50
B. 2.50
C. 5.00
D. 2.40
Answer: B
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A vector v has initial point P and terminal point Q. Graph 
and write 
as 
P = (3, -5), Q = (-2, 7)
A. 
B. 
C. 
D. 
Solve the problem.Of the coffee makers sold in an appliance store, 4.0% have either a faulty switch or a defective cord, 2.5% have a faulty switch, and 0.1% have both defects. What is the probability that a coffee maker will have a defective cord? Express the answer as a percentage.
A. 2.6% B. 4.0% C. 1.6% D. 4.1%
Write the decimal number that has the specified place values.9 tenths, 9 thousands, 1 hundred, 7 ones, 7 tens, 7 hundredths
A. 917.797 B. 9,177.97 C. 9,777.91 D. 9,797.71
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