The Luminous Matter in the Universe Accounts for What Percent

question 10

Multiple Choice

The luminous matter in the universe accounts for what percent of the total mass of the universe?

• A) About 5%
• B) About 23%
• C) About 27%
• D) About 73%
• E) 100%

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Definitions:

P-Value

A statistical measure that helps to determine the strength of the results to support or reject the null hypothesis.

Null Hypothesis

A hypothesis that assumes there is no statistical significance in a set of given observations and that any observed difference is due to sampling or experimental error.

P-Value

The probability of obtaining test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.

P-Value

The probability of observing a test statistic at least as extreme as the one observed, under the assumption that the null hypothesis is true.