Someone claims that the waiting time, in minutes, between hits at a certain website has the exponential distribution with parameter ?= 1.
a. Let X be the waiting time until the next hit. If the claim is true, what is P(X ? 5)?
b. Based on the answer to part (a), if the claim is true, is five minutes an unusually long time to wait?
c. If you waited five minutes until the next hit occurred, would you still believe the claim? Explain.
(a) 
(b) Yes, it would happen less than 1% of the time..
(c) No, because 5 minutes is unusually long if the claim is true.
You might also like to view...
A MIG unit is using a spool of wire that weighs 24 pounds. How many hours will the spool last if the melt-off is 1.75 pounds/hour? Round the answer to the nearest hundredth.
The clutch pedal overcenter spring is used to help ________.
A) Release the clutch B) Return the clutch pedal to the released position C) Both A and B D) Neither A nor B
The number one requirement for a seed to germinate is proper environmental conditions
Indicate whether the statement is true or false
In a circuit with ____ power sources, each power source contributes toward the current flow through the resistors.
a. interconnected b. variable c. parallel d. multiple