Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability that the call lasts between 1 and 3 minutes.
A. 1.0014
B. 0.0014
C. 0.8736
D. 0.9986
Answer: D
Mathematics
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Mathematics
Find the One's complement of 01101110.
a. 01100011 b. 01100000 c. 10010001 d. 0011111 e. 10011100
Mathematics
Solve triangle ABC. If necessary, round the answer to the nearest tenth.A = 70°, B = 20°, a = 5 meters
A. C = 90°, b = 5.3 m, c = 1.8 m B. C = 90°, b = 1.8 m, c = 5.3 m C. C = 90°, b = 5.3 m, c = 0.8 m D. C = 90°, b = 2.8 m, c = 5.3 m
Mathematics
Subtract the polynomials.(8x - 3) - (-3x + 11)
A. 5x - 14 B. 5x + 8 C. 11x + 8 D. 11x - 14
Mathematics