Multiple Choice
The average time between trades for a high-frequency trading investment firm is 40 seconds. Assume the time between trades is exponentially distributed. What is the probability that the time between trades for a randomly selected trade and the one proceeding it is less than 20 seconds?
A) 0.1354
B) 0.3935
C) 0.6065
D) 0.8446
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Suppose the round-trip airfare between Boston and
Q16: The height of the probability density function
Q17: Compute the mean and variance of a
Q18: On average, a certain kind of kitchen
Q19: The continuous uniform distribution describes a random
Q21: For σ < 1, the lognormal distribution
Q22: The starting salary of an administrative assistant
Q23: Let the time between two consecutive arrivals
Q24: The Japan Sumo Association has begun to
Q25: Let the lifetime of a new Jet