Solved

Let X = the Time (In Minutes) That a Postal

Question 18

Multiple Choice

Let X = the time (in minutes) that a postal clerk spends with her customers.This time is known to have an exponential distribution with an average of 4 minutes.What is the parameter λ for this random variable?


A) 4
B) 2
C) 0.5
D) 0.25

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q13: Most production model hybrid cars use a

Q14: Seismologists have discovered a thermal disturbance in

Q15: Variable N N* Mean SE Mean StDev

Q16: The Minitab descriptive statistics display from a

Q17: If X is a normal random variable

Q19: Any distribution whose mean value is equal

Q20: What differentiates the standard normal distribution (Z)

Q21: Let X = the time (in minutes)

Q22: The amount of time a person waits

Q23: Although the binomial distribution is discrete, in