What is the probability there will be at least one call

Assignment Help Civil Engineering

Reference no: EM13314074

The number of telephone call coming in the business switchboard average 4 minutes/call. Let x be the number of calls received, Poisson variable.
a. What is the probability there will be at least one call in a given one minute period.
b. What is the probability that at least one call will be received in a given two minute period?

Reference no: EM13314074

Questions Cloud

What-if and goal-seeking analysis : What-if and Goal-seeking analysis, Portfolio Planning using optimization and a Monte Carlo Simulation Problem

Explain how long will it take for the radioactivity : The half-life of radium-226 is 1600 years. How long will it take for the radioactivity of a sample of radium-226 to decrease from 130 mCi to 10 mCi

Find probability at least one inquiry is made during the sec : The number of teleport inquires x in a time sharing system average .2 millisecond and follows a Poisson distribution. Find the probability at least one inquiry is made during the next millisecond.

Find use of dom to change the contents of an html text box : This statement will include the names of files or sections of code within a file for which he or she has been solely responsible, and the Web address of files that are visible on the group Web server space. A response such as ‘It was basically a j..

What is the probability there will be at least one call : The number of telephone call coming in the business switchboard average 4 minutes/call. Let x be the number of calls received, Poisson variable. a. What is the probability there will be at least one call in a given one minute period.

What is the smallest number of bulbs to be purchased : A company manufactures a brand of light bulbs with a lifetime in month that is normally distribute with a mean=3 and a variance=1. A consumer buys a number of these bulbs with the intention of replacing them successively as they burn out.

Compute the real price of the tv for each year to answer : With base year 2002, the CPI in 2011 and 2012 were 240 and 250, respectively. If a flat screen TV cost $1164 in 2011 and $1200 in 2012, was the flat screen TV more expensive in 2012?

Find what is the probability that will avoid the collision : For a car traveling 35 mph the distance required to brake for a stop is normally distributed with mean of 55 feet and standar deviation of 8 feet. You are traveling 35 mph in a residential area and a car moves abrupt into your path at a distance o..

How high will chloe go : Chloe has a vertical velocity of 3 m/s when she leaves the 1 m diving board. At this instant, her center of gravity is 2.5 m above the water. How high will Chloe go

User Account

All Pages