Compute Probabilities of a Sample Proportion
-Smith Is a Weld $5 \%$

question 24

Multiple Choice

Compute Probabilities of a Sample Proportion
-Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds that for the afternoon shift $5 \%$ of all welds done will be substandard. If Smith checks 300 of the 7500 welds completed that shift, what is the probability that he will find more than 25 substandard welds?

• A) \(0.0040\)
• B) \(0.4960\)
• C) \(0.5040\)
• D) \(0.9960\)

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Definitions:

Calderas

Large, usually circular depressions in the ground caused by volcanic activity, specifically the collapse of a magma chamber after a volcanic eruption.

Caldera-forming Eruption

A volcanic eruption significant enough to collapse the summit area and form a large, basin-like depression called a caldera.

Minoan

Relating to the Bronze Age civilization centered on Crete (circa 2600–1400 BC), known for its advanced culture, art, and architecture, including the palace at Knossos.

Santorini

A volcanic island in the Aegean Sea, known for its dramatic caldera, white-washed buildings, and as a significant archaeological site.