An Iron Core Cannot Support a Star Because

question 27

Multiple Choice

An iron core cannot support a star because:

• A)iron is the heaviest element, and sinks upon differentiation.
• B)iron has poor nuclear binding energy.
• C)iron cannot fuse with other nuclei to produce energy.
• D)iron supplies too much pressure.
• E)iron is in the form of a gas, not a solid, in the center of a star.

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Definitions:

P-value Approach

A method in hypothesis testing that uses the p-value, the probability of obtaining test results at least as extreme as the observed, under the assumption the null hypothesis is true.

Critical Values

Specific points along the scale of a test statistic that delineate the acceptance or rejection of the null hypothesis.

Two-Tailed Hypothesis

A statistical test where the area of interest lies in both tails of the distribution, testing for the possibility of a relationship in both directions.

Level of Significance

A threshold used to decide whether a hypothesis test results are statistically significant.