Find the expected value and variance of the additional time

Assignment Help Basic Statistics
Reference no: EM131769243

Question: The number of wrongly dialed phone calls you receive can be modeled as a Poisson process with the rate of one per month.

(a) Find the probability that it will take between two and three weeks to get the first wrongly dialed phone call.

(b) Suppose that you have not received a wrongly dialed phone call for two weeks. Find the expected value and variance of the additional time until the next wrongly dialed phone call.

Reference no: EM131769243

Questions Cloud

Write a paper on boundary mill story : The assignment is designed to mirror a real-life situation. The critique and analysis should be carried from a marketing perspective.
Finished goods inventory value : The company has obtained the following data for average raw materials, work-in-process, and finished goods inventory value, as well as cost of goods sold.
Discuss the key legal or ethical issue affecting health care : Discuss the key legal or ethical issue affecting health care. Once you have pinpointed at least 5 key elements as outlined herein.
How much longer is the battery expected to last : The lifespan of a car battery averages six years. Suppose the battery lifespan follows an exponential distribution.
Find the expected value and variance of the additional time : Suppose that you have not received a wrongly dialed phone call for two weeks. Find the expected value and variance of the additional time.
How well the histogram approximates the pdf : Use the R command set.seed(111); hist(rexp(10000), breaks=35, freq=F) to generate a sample of size 10,000 from the exponential(1) distribution and to plot
What strength value separates the strongest from others : The yield strength (ksi) for A36 steel is normally distributed with µ = 43 and s = 4.5. What strength value separates the strongest 10% from the others?
Explain performance base compensation plan for organizations : Create a 2- to 3-slide Microsoft presentation with visuals and speaker notes outlining performance-based total compensation plans for two organizations.
Probability of getting a cup weighing more cream : The mean weight of frozen yogurt cups in an ice cream parlor is 8 oz. Suppose the weight of each cup served is normally distributed with standard deviation.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd