Suppose the Time Intervals in Seconds Between Arrivals of Successive

question 4

Short Answer

Suppose the time intervals in seconds between arrivals of successive cars at an expressway tollbooth during rush hour are exponentially distributed with associated probability density function .
​
Find the probability that the average time interval between arrivals of successive cars is more than 3 sec. Give the answer to four decimal places, if necessary.

---

Definitions:

Experimental Drug

A pharmaceutical compound that is in the process of being tested for safety and effectiveness but is not yet approved for general use.

Dosage

The amount and frequency at which a medication or other substance is administered to achieve a therapeutic effect.

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs.

Supplements of Glucosamine

Nutritional products aimed at supporting joint health, often used in the treatment or prevention of osteoarthritis.