Airlines Monitor the Causes of Flights Arriving Late

question 73

Essay

Airlines monitor the causes of flights arriving late. A total of 75% of flights are late because of weather, while 35% of flights are late because of ground operations. A full 15% of flights are late because of weather and ground operations. What is the probability that a flight arrives late because of weather or ground operations?

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Definitions:

Major Calyx

The major calyx is a component of the kidney that collects urine from the minor calyces before it moves into the renal pelvis and ureter.

Renal Pelvis

The central collecting region in the kidney where urine gathers before moving into the ureter.

Minor Calyx

A cup-shaped structure in the kidney that encloses the apex of a renal pyramid and collects urine before it passes into the major calyx.

Collecting Duct

A series of tubules and ducts in the kidney that transport urine from the nephrons to the renal pelvis.