The Probability of the Occurrence of Event a in an Experiment

question 56

Multiple Choice

The probability of the occurrence of event A in an experiment is 1/3. If the experiment is performed 2 times and event A did not occur, then on the third trial event A

• A) must occur.
• B) may occur.
• C) could not occur.
• D) has a 2/3 probability of occurring.

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Definitions:

Polypropylene

A thermoplastic polymer used in a wide variety of applications, known for its toughness, flexibility, and resistance to various chemical solvents, acids, and bases.

Millad NX8000

A highly efficient clarifier used in the production of transparent polypropylene plastics, enhancing clarity and physical properties.

Acetonide

An acetonide is a ketal formed from the diol (a molecule with two hydroxyl groups) and acetone, often used as a protective group in organic synthesis.

1,2,4,5-tetrahydroxybenzene

A benzene ring substituted with four hydroxyl groups at the 1, 2, 4, and 5 positions, known for participating in complex chemical reactions.