Give values of mean-variance and standard deviation

Assignment Help Basic Statistics
Reference no: EM13159530

Let X equal the number of people selected at random that you must ask in order to find someone with the same birthday as yours. Assuming each day of the year is equally likely (and ignoring February 29)

(a)what is pmf of X?

(b)give the values of the mean, variance, and standard deviation of X?

(c)find P(X > 400) and P(X < 300).

Reference no: EM13159530

Questions Cloud

Fungi in liquid culture grow by which kinetics : Fungi in liquid culture grow by which kinetics?
What is the final temperature : A 350.0 g sample of copper is initially at 25.0 °C. It absorbs 12.50 kJ of heat from its surroundings. What is its final temperature, to the nearest tenth of a degree?
Calculate consumer price index in the current year : Using the information on exhibit 2 calculate the consumer price index in the current year.
Non current assets-land and equipment : Paris had no liabilities. The fair values of Paris" assets were $2,500,000. Paris"s only non-current assets were land and equipment with fair values of $160,000 and $640,000, respectively. At what value will the equipment be recorded by Raphael?
Give values of mean-variance and standard deviation : Let X equal the number of people selected at random that you must ask in order to find someone with the same birthday as yours. Give the values of the mean, variance, and standard deviation of X?
Explain the role of atp in maintaining the sodium : Explain the role of ATP in maintaining the sodium and potassium ionic gradients.
Learning and memory from functional perspective : Discuss the relationship between learning and memory from a functional perspective. Address why learning and memory are interdependent. Use case studies and examples from research articles to help you map this relationship.
State what is the value of the ion product of the titration : The first appearance of a yellow color that lasts for more than 30 seconds occurs after 14.50 mL KI have been added. What is the value of the ion product of the titration?
What is the density of a block of marble : what is the density of a block of marble that occupies 306 cm3 and has a mass of 804 g? answer in units of g/cm3.

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