homework help

Description A random variable X is normally distributed. It has a mean of 234 and a standard deviation of 22. List the givens with correct symbols: ?npX̄σsμNX = 234 ?XpX̄nNμsσ = 22 a) If you take a sample of size 12, can you say what the shape of the sampling distribution for the sample mean…

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Description The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean of 49.9 cm and a standard deviation of 3.74 cm. Round the probabilities to four decimal places. It is possible with rounding for a…

Unit 8 Project

Description Question 1 Which IAT data set are you working with? Use StatCrunch and your unique IAT sample to estimate the mean age for the population of IAT participants at the 90% confidence level. Copy the contents of your StatCrunch output window and paste them into your response. (No need to type anything here –…

Module 6 Returns Beta Regression Analysis 4 stocks

Description Project 1: Beta and Return. The objectives of this exercise: To access and download stock and index price data from yahoo.com. To discern the difference between a real-time closing price and an adjusted closing price. To discover how yahoo.com calculates beta for an individual stock. To replicate the yahoo.com calculation for four firms in…

SOCI332 Week 1 Discussion

Description This discussion supports CO2. Please review the Week 1 Lesson Materials prior to responding. Choose a topic that you would like to research this term. Use the GSS database to find two variables that would support your topic – one independent variable and one dependent variable. Be sure to include the topic, variable names…

Statistics Question

Description Using the “North Valley Real Estate” Excel Dataset located in the “Files” Section of the course (Left-hand Side Menu Bar). The Final Research Project for the course, and all supporting assignments, will be executed using the “North Valley Real Estate” dataset. As preparation for the final research paper, formulate a theory about the correlation…

Given above information, what is the minimum total shipping cost achievable for this supply chain?

Description PoyrazTech is a global distributor of electrical parts and components. Its customers are electronics companies in the United States, including computer manufacturers and audio/ visual product manufacturers. The company contracts to purchase components and parts from manufacturers in İstanbul, Türkiye and it has them delivered to warehouses in three European ports, Gdansk, Hamburg, and…

Module 23

Description Progress Check Use this activity to assess whether you and your peers can: Under appropriate conditions, conduct a hypothesis test about a difference between two population means. State a conclusion in context. Directions Use the drop-down menu to learn about the three steps needed to complete this assignment. Three steps to complete the assignment…

probability distribution

Description The Monty Hall problem is a brain teaser, in the form of a probability puzzle, loosely based on the American television game show Let’s Make a Deal and named after its original host, Monty Hall. The problem was originally posed in a letter by Steve Selvin to the American Statistician in 1975. It became…