Lifetime of Fluorescent Light Bulbs

question 213

Essay

Lifetime of Fluorescent Light Bulbs
The mean lifetime of a fluorescent light bulb is 1570 hours with a standard deviation of 200 hours. Suppose we take a sample of 100 bulbs, test them, and calculate the sample mean.
-Refer to Lifetime of Fluorescent Light Bulbs. Completely describe the sampling distribution of the sample mean.

---

Definitions:

Taxable Income

The portion of an individual's or organization's income used to calculate how much tax will be owed to the government.

Federal Government

The national government of a federated state, which holds the authority to govern the country at a national or federal level, distinct from regional or local governments.

Government Dollar

Currency issued by a country's government, representing the medium of exchange accepted for transactions and as payment for debts.

Standard Deduction

A preset reduction in taxable income on a federal income tax return, not requiring itemization of individual deductions.