Three Stars Are Found to Have Been Formed from a Molecular

question 30

Multiple Choice

Three stars are found to have been formed from a molecular cloud.How many high density fragments must have existed in the cloud prior to star formation?

• A) exactly three
• B) only one
• C) three or more
• D) none

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Definitions:

Population Proportion

The fraction or percentage of a total population that possesses a particular characteristic.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect in a given set of observations.

Point Estimate

A single value or statistic that serves as the best guess or best estimate of an unknown population parameter.

Population Proportion

The fraction of members in a statistical population that meet a specified characteristic or criteria, often estimated using sample data.