In a Learning Experiment, Untrained Mice Are Placed in a Maze

question 111

Short Answer

In a learning experiment, untrained mice are placed in a maze and the time required for each mouse to exit the maze is recorded. The average time for untrained mice to exit the maze is = 50 seconds and the standard deviation of their times is = 16 seconds. 64 randomly selected untrained mice are placed in the maze and the time necessary to exit the maze is recorded for each.
Find the mean of the sampling distribution of .
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Find the standard deviation.
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What is the probability that the sample mean differs from the population mean by more than 3?
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Definitions:

Costs to Business

All expenses incurred by a business in the process of producing goods or services, including both fixed and variable costs.

Distribution of Output

The way in which the total goods and services produced by an economy are allocated or distributed among its population.

Interest Income

The earnings received from investments in vehicles such as savings accounts, certificates of deposit, or bonds, typically presented as a percentage of the investment's total value.

Quantitative Measures

Numeric indicators or metrics used to evaluate, compare, and track performance or outcomes.