# Question: The time between customer arrivals at a bank has an

The time between customer arrivals at a bank has an exponential distribution with a mean time between arrivals of three minutes. If a customer just arrived, what is the probability that another customer will not arrive for at least two minutes?

## Relevant Questions

Light bulbs manufactured by a particular company have an exponentially distributed life with mean 100 hours. a. What is the probability that the light bulb I am now putting in will last at least 65 hours? b. What is the ...Consider the situation in the previous problem, and assume that the distribution holds for all weeks throughout the year and that weekly orders are independent from week to week. Let Y denote the number of weeks in the year ...Suppose X has the following probability density function: a. Graph the density function. b. Show that f (x) is a density function. c. What is the probability that X is greater than 5.00? In the previous problem, the time that it takes the airbag to completely fill up from the moment of activation has an exponential distribution with mean 1 second. What is the probability that the airbag will fill up in less ...Hedge funds are institutions that invest in a wide variety of instruments, from stocks and bonds to commodities and real estate. One of the reasons for the success of this industry is that it manages expected return and risk ...Post your question