Variance of poisson random variable

Reference no: EM13103128

The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?

Reference no: EM13103128

Questions Cloud

Probability calculation for binomial variable : The past history shows that 60% of employees prefer Starbucks brand coffee. A sample of 5 employees is selected, what is the probability that less than 3 prefer Starbucks?

Estimate planning function of management : Examine the influence which legal issues, ethics, and corporate social responsibility have had on management planning at chosen company. Give at least one example for each.

What is the maximum number of chips : computer chips are etched on circular cylinder wafers of thickness 0.60mm that are sliced from a solid cylindrical silicon crystal of length 30cm . If each wafer can hold 100 chips, what is the maximum number of chips that can be produced from one..

Description of compute a probability : An urn contains 8 balls identical in every respect except color. There are 4 blue balls, 3 red balls, and 1 white ball.

Variance of poisson random variable : The number of false alarms a building fire alarm system registers has a Poisson distribution with a mean of 6 false alarms per year. The variance of the number of false alarms is what?

Coefficient of determination and correlation coefficient : A. What is the coefficient of determination? B. What is the correlation coefficient? C. What is the sampl mean of Y?

Determine the particles displacement : A small metal particle passes downward through a fluid medium while being subjected to the attraction of a magnetic field such that its position is observed to be s = (15t3 - 3t) mm, where t is measured in seconds. Determine (a) the particle's dis..

Explain article issues of social development in adulthood : Describe why you chose this topic and article. If you had to write the research paper on topic, would you utilize article you selected? Describe why or why not.

Describing normal approximation to binomial : A multiple-choice examination consists of 90 questions, each having possible choices a, b, c, d, and e. Approximate the probability that a student will get at least 21 answers correct if she randomly guesses at each answer.

User Account

All Pages