The probability density function F(x) = ae-b|x|, where x is a random variable whose allowable value range is from x = -∞ to x = +∞. The CDF for this function for x ≥ 0 is
A. $$\frac{a}{b}{e^{bx}}$$
B. $$\frac{a}{b}\left( {2 - {e^{ - bx}}} \right)$$
C. $$ - \frac{a}{b}{e^{bx}}$$
D. $$ - \frac{a}{b}\left( {2 + {e^{ - bx}}} \right)$$
Answer: Option B
Related Questions on Communication Systems
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above

Join The Discussion