Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20
B. 100
C. 10
D. 500
Answer: C
Mathematics
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A. T(t) = (4 sin 5t)i - (4 cos 5t)j B. T(t) = (sin 5t)i - (cos 5t)j C. T(t) = (4 cos 5t)i - (4 sin 5t)j D. T(t) = (60 sin 5t)i -(60 cos 5t)j
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Convert the mixed number to an improper fraction.11
A. 
B. 
C. 
D. 
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Solve the problem.Find the best buy. Brand A: 30 oz for $3.60 Brand B: 35 oz for $5.25
A. Brand B B. Equal value C. Not enough information D. Brand A
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Perform the indicated operation and, if possible, simplify. Assume that all variables represent positive real numbers. -4
- 9
A. -13
B. 22
C. -14
D. -22
Mathematics