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One evening after a meeting she talks to all 30 female employees who attended the meeting. Does this sampling plan result in a random sample? Simple random sample? Explain.
A study of the attendance at the University of Alabama's basketball games revealed that the distribution of attendance is normally distributed. What is the probability a particular game has an att
When the gear is being produced, the shop can make 80 gears per day (Hint: You should use the production model for inventory management).
Data packets are sent over a wireless network at a rate of 10 packets per second. what is the probability that exactly 10 data packets will be sent during any one second?
Six students, three boys and three girls, lineup in a random order for a photograph. What is the probability that the boys and girls alternate?
Find the p-value for the test. Assume that the distribution of weight per serving is normal. Draw a curve to support your explanation.
Do these data indicate that the mean satisfaction rating is different from 5.9? Test with α=.05 What is the p-value for the test? Draw a
Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds. Find the probability of the given range of pounds lost.
Forecast the mean number of unoccupied seats per flight to Germany next year. Discuss the accuracy of this forecast. Draw a curve to support your explanation.
Develop a point and 95% interval estimate of the mean number of unoccupied seats per flight during the past year. Forecast the mean number of unoccupied seats per flight to Germany next year. Discus
Considering the distribution of measures on a difficult exam, you would expect to find the greatest density of scores.
How would you define the population of this study? How would you go about choosing a random sample for this study?
Submit a six page paper (not including the title and reference pages) on one of the major topics listed below. Incorporate at least two related scholarly sources (articles, books, etc): Topic: Time
Given the amount of vitamin C in a medium orange is normally distributed with a mean of 70mg and a standard deviation of 6 mg.
Find the probability that the one-year return of this stock will be positive. Round your answer to at least four decimal places.
Your description of each of the three operational functions should include a clear specification of the function (e.g., setting daily room prices), a description of the data source (e.g., historical
Waiting times to receive food after placing an order at the local Subway sandwich shop follow an exponential distribution with a mean of 56 seconds. Calculate the probability a customer waits?
Research the Library and provide at least 1 example of how a real company has used each of the following multivariate techniques: factor analysis, multi-dimensional scaling, and cluster analysis
Use the Gauss-Seidel method without relaxation to solve the following system to a tolerance of error = 5%. If necessary, rearrange the equations to achieve convergence.
The purpose of this exam is to give you the opportunity to formulate research questions, run the analyses, and interpret the results of the statistics covered in this class. The document must be in
Calculate the sample mean and sample standard deviation. Please provide formulas and not just an answer.
Find the value for the percent of Penn State students that said they consumed more alcohol than usual on their 21st birthday.
What is the expected value for the amount they will pay in claims per person? Set up the calculation.
a. What is the base rate for the disease? b. What is the sensitivity for this medical test?
Megan concludes that she should not have any more problems for a while. Is she assuming the "gambler's fallacy?" Explain.