Standard deviation of r

Assignment Help Basic Statistics
Reference no: EM1322539

Long-term history has shown that 65% of all elected offices in a rural county have been won by Republican candidates. This year there are 5 offices up for public election in the county Let r be the number of public offices won by Republicans.

a) Find P(r) for r = 0, 1, 2, 3, 4, and 5.

b) Make a histogram for the r probability distribution.

c) What is the expected number of Republicans who will win office in the coming election?

d) What is the standard deviation of r?

Reference no: EM1322539

Questions Cloud

Probability values for the given discrete distribution : Computing the probability values for the given discrete distribution - What is the probability that you did not shake hands with a person with the flu
Stricter regulations of banking industry : Some people have argued for stricter regulations of the banking industry in the wake of the subprime mortgage meltdown.
Evaluate the mean and the median : Evaluate the mean, the median, and the mode of the salaries. Which best describes a typical salary and Evaluate the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting.
The kinetic energy of the lead car : A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
Standard deviation of r : Determine the expected number of Republicans who will win office in the coming election? Illustrate the standard deviation of r?
How far is the ship from rocks : A broken piano emits frequencies from a low of 32.0 Hz to a high of about 4100 Hz. What is the shortest wavelength if the speed of sound in air is 342.50 m/s? Record the answer to three decimal places and include units in the answer.
Evaluate the probability values using normal distribution : Computing the probability values using normal distribution - The data set has a bell-shaped distribution. Between what two prices do 68% of the houses lie?
Microwave signals are beamed between two mountaintops : Though sunlight varies with season and time of day, solar energy falls on United States at an average intensity of 200. Assuming you live in an average location, what total solar-cell area would you need to provide all of your energy needs with en..
Combined production level : The combined production level should not exceed 1200 units per month. The demand for product II is no more than half the demand for product I.

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