If a Sample of Size 61 Is Selected,the Value of a for the Probability

question 16

Multiple Choice

If a sample of size 61 is selected,the value of A for the probability P(-A ≤ t ≤A) = 0.95 is:

• A)2.000
• B)2.021
• C)1.677
• D)1.671

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Definitions:

Intraday Fluctuations

Variations in the price of stocks, commodities, or indexes within a single trading day, driven by market news, rumors, or trading activities.

Electricity Demand

The total amount of electrical power required by consumers and businesses at any given time.

Operating Costs

Expenses associated with the day-to-day functioning of a business, such as wages, rent, and utilities.

Alternative Sources

Different or non-traditional means or options available for achieving a specific goal, typically referring to energy, materials, or information.