If the Random Sample $X _ { 1 } , \ldots \ldots , X _ { n }$

question 4

Essay

If the random sample $X _ { 1 } , \ldots \ldots , X _ { n }$ is taken from a normal distribution with mean value $\mu$ and standard deviation $\sigma$ , then regardless of the sample size n, the sample mean $\bar { X }$ is distributed with expected value __________ and standard deviation __________.

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Definitions:

Liabilities

Financial obligations or debts that a company owes to others, which must be settled over time through the transfer of assets, provision of services, or other forms of economic benefit.

Uncertainty

A situation where the outcomes of an event or condition cannot be accurately predicted or quantified.

Liabilities

Financial obligations or debts that a company owes to others, which must be settled over time through the transfer of economic benefits.

Current Liabilities

Obligations or debts a company is expected to settle within one fiscal year or its operating cycle, whichever is longer, including accounts payable and short-term loans.