THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 77

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Consider a random sample of size n =1800 from a binomial probability distribution with P = 0.40,and X = number of successes.
-With probability 0.20,the percentage of successes is less than what value?

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Definitions:

Pyroclastic Column

A pyroclastic column is a dense, vertical plume of hot volcanic materials, including ash, pumice, and volcanic gases, expelled during explosive volcanic eruptions.

Lava Fountain

A spectacular volcanic phenomenon in which molten lava is violently ejected into the air from a vent or crack, forming a fountain-like appearance.

Lava Flow

The movement of molten rock expelled by a volcano onto the Earth's surface.

Low-viscosity Lavas

Lava flows that are thin, runny, and able to travel long distances due to their low resistance to flow.