TABLE 9-1 Microsoft Excel Was Used on a Set of Data Involving

question 4

True/False

TABLE 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant. A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift. She will make her decision using a test with a level of significance of 0.10. The following information was extracted from the Microsoft Excel output for the sample of 46 cases:

-Referring to Table 9-1, the manager can conclude that there is sufficient evidence to show that the mean number of defective bulbs per case is greater than 20 during the morning shift with no more than a 5% probability of incorrectly rejecting the true null hypothesis.

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Married, Filing Jointly

A tax filing status available to married couples that allows them to file one tax return jointly, combining their incomes and deductions.

Marginal Ordinary Income Tax Rate

The tax rate that applies to the last dollar of the taxpayer's income, influencing decisions on additional income.

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