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How Many Observations Would Be Necessary for a Time Studies

question 21

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How many observations would be necessary for a time studies analyst to be 99% confident that the average time is within ± .1 minutes of the true value,if the average time is 10.5 minutes and the standard deviation is 3 minutes?


Definitions:

Apomixis

Apomixis is a form of asexual reproduction that allows plants to produce seeds without fertilization, leading to offspring genetically identical to the parent.

Scarification

A process of weakening the outer coat of seeds to encourage germination, can be chemical, mechanical, or thermal.

Imbibition

Imbibition is the process of absorption of water by substances, causing them to swell without dissolving, critically initiating seed germination.

Vernalization

The process by which exposure to cold temperatures for a certain length of time induces a plant to flower.

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