A Spacecraft Is Filled with 0

question 45

Multiple Choice

A spacecraft is filled with 0.500 atm of O₂ and 0.500 atm of He. If there is a very small hole in the side of this craft such that gas is lost slowly into outer space,

• A) He is lost 2.8 times faster than O₂ is lost.
• B) He is lost 8 times faster than O₂ is lost.
• C) He is lost twice as fast as O₂ is lost.
• D) O₂ is lost 2.8 times faster than He is lost.
• E) O₂ is lost 8 times faster than He is lost.

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Definitions:

Normal Curve

A bell-shaped curve that represents the distribution of values, with most occurring around a central region.

T Test

A statistical test for assessing whether the mean scores for two groups are significantly different.

Nonparametric Statistics

Statistics used with data that cannot be assumed to have a normal distribution.

T Test

A statistical test used to compare the means of two groups and determine if they are significantly different from each other.