Find the Probability. -A Sample of 4 Different Calculators Is Randomly Selected from Randomly

question 34

Multiple Choice

Find the probability.
-A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 28 that have no defects.What is the probability that at least one of the calculators is defective?

• A)0.100
• B)0.723
• C)0.277
• D)0.705

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Definitions:

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials that flows down the sides of a volcano during an explosive eruption.

Eruption Column

A column of gases, ash, and volcanic rock emitted into the atmosphere during a volcanic eruption, which can affect climate and aviation.

Pyroclastic Flow

A rapid stream of heated gas and volcanic substances flowing down a volcano's slopes amid an explosive eruption.

Tephra

A pyroclastic material, regardless of size or origin, ejected during an explosive volcanic eruption; includes ash, pumice, and rock fragments.