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Introduction to Operations and Supply Chain Management
Leah's Toys produces molded plastic baby rattles. These rattles must be completely smooth. That is, there can be no rough edges where molded halves fit together. Rattles are judged to be either acceptable or defective with regard to this requirement.
Leah's has determined that the current process has an underlying p value of 0.01, meaning that, on average, 1 out of 100 rattles is currently judged to be defective.
Calculate the standard deviation for the process and the resulting control limits for samples of 200 rattles each.
Using the information from part by hand, calculate a 90 confidence interval for the difference of the means for the two time periods.
A study of college football games shows that the number of holding penalties assessed has a mean of 2.3 penalties per game and a standard deviation of penalties per 1.1 game. What is the probability that, for a sample of 40 college games to be played..
A decision maker's worst option has an expected value
Research paper examines determine the impact of social media use on student learning.
Linear correlation analysis is a statistical technique use in the measurement of causation, direction, degree and significance of co-variation.
Define a correlation coefficient
Which of the following statements are true? A.Probabilities can be any positive value. B.Probabilities must be nonnegative. C.Probabilities must be negative. D.Probabilities can either be positive or negative.
Tutor O-rama claims that their services will raise student SAT math scores at least 50 points. The average score on the math portion of the SAT is μ = 350 and σ = 35. The 100 students who completed the tutoring program had an average score of 385 poi..
Evaluate the relationship between visits per week and week. Interpret your regression results by discussing significance of the regression equation and magnitude of the estimated coefficients.
Explain the difference between a normal Distribution and a binomial distribution. How do we know which one to use?
Write down the regression equation and state the R-squared value and the standard error and explain what they mean with respect to the data.
Calculate the expected value, variance, and standard deviation of the total income
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