THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 198

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A general contractor has submitted two bids for two projects;A and B.The probability of getting project A is 0.60.The probability of getting project B is 0.75.The probability of getting at least one of the projects is 0.85.
-If the contractor gets project B,what is the probability that he will get project A?

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Definitions:

Mountains

Elevated portions of the Earth's surface, usually forming ranges or peaks, created by tectonic forces or volcanism.

Sand

Fine grains of minerals or rock fragments, often found on beaches and deserts, formed due to weathering and erosion of rocks.

Sediments

Particles of rock, mineral, or organic materials that are transported by wind, water, or ice and deposited on the surface of the Earth.

Braided River

A type of river characterized by a network of river channels separated by small, often temporary, islands known as eyots or aits.