A Compound Was Discovered Whose Composition by Mass Is 85

question 77

Multiple Choice

A compound was discovered whose composition by mass is 85.6% C and 14.4% H. Which of the following could be the molecular formula of this compound

• A) CH₄
• B) C₂H₄
• C) C₃H₄
• D) C₂H₆
• E) C₃H₈

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Definitions:

P-value

The likelihood of test results being as significantly extreme or more so than what was observed, on the pretext that the null hypothesis is correct.

Two-sided Test

A statistical hypothesis test which determines if there is a significant difference in either direction between the groups or variables being studied.

One-sided Test

A hypothesis test in which the alternative hypothesis specifies a direction of the statistical significance, either greater than or less than a certain value.

P-value

The probability of encountering test data at least as extreme as what has been observed, with the assumption that the null hypothesis is valid.