TABLE 4-5 In a Meat Packaging Plant, Machine a Accounts for 60

question 162

Short Answer

TABLE 4-5
In a meat packaging plant, Machine A accounts for 60% of the plant's output, while Machine B accounts for 40% of the plant's output. In total, 4% of the packages are improperly sealed. Also, 3% of the packages are from Machine A and are improperly sealed.
-Referring to Table 4-5, if a package selected at random is improperly sealed, the probability that it came from machine A is ________.

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Definitions:

Simple Linear Regression

A statistical method used to model the relationship between a dependent variable and a single independent variable, assuming a linear relationship.

Residual

The difference between the observed value and the value predicted by a model, indicating the error in prediction for that specific point.

Least-squares Line

A line of best fit determined by the least squares method, which minimizes the sum of squared vertical distances between the actual data points and the predicted points on the line.

Unbiased Estimator

A statistical estimator whose expected value exactly equals the parameter it estimates.