Weekly salaries of teachers-normal distribution

Assignment Help Basic Statistics
Reference no: EM1392321

The weekly salaries of teachers in one state are normally distributed with mean of $490 and standard deviation of $45.

a. Determine the probability that a randomly selected teacher earns more than $525 per week?

b. Determine the probability a randomly selected teacher earns less than $435 per week?

Reference no: EM1392321

Questions Cloud

Explain war on drugs and war on terror : It has been said by some that "War on Drugs" is same as "War on Terror". Do you agree or disagree with that statement? Ensure to thoroughly explain the view.
Estimate concentration of the solution : Assume you are provided a solution of 0.1 M NaCl. What is the concentration of that solution in mg/ml? In %w/v?
Employment drug tests on job applicants by faa : In 1992, FAA conducted 86,991 pre-employment drug tests on job applicants who were to be engaged in safety and security-related jobs, and found that 1,143 were positive.
Estimate simple linear regression models : Estimate simple linear regression models for both the raw data and the logs, estimating both the intercept and the slope.
Weekly salaries of teachers-normal distribution : The weekly salaries of teachers in one state are normally distributed with mean of $490 and standard deviation of $45. Determine the probability that a randomly selected teacher earns more than $525 per week?
Example of a normal distribution : What is an example of a normal distribution? please articulate what the example is (post the graph, picture of the graph, etc); discuss what the normal distribution means for this example, and how the graph is being used to articulate the problem.
Find the concentration of buffer : The recipe for 10x TBE buffer is 890 mM Tris, 890 mM boric acid, 20 mM EDTA. What is the concentration of 1x TBE buffer?
Constructing a scatter plot and determining correlation : Constructing a scatter plot and determining correlation. a. display the data in a scatter plot, b. calculate the correlation coefficient f, and c. make a conclusion about the type of correlation.
Estimating normal distribution with standard deviation : According to the retail electronics chain, adults in 40 to 50 year old age group, the mean amount spent per year on electronics is $1998.

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