You Were Told That the Amount of Time Lapsed Between

question 15

Essay

You were told that the amount of time lapsed between consecutive trades on a foreign stock
exchange market followed a normal distribution with a mean of 15 seconds.You were also told
that the probability that the time lapsed between two consecutive trades to fall between 16 to 17
seconds was 13%.The probability that the time lapsed between two consecutive trades would
fall below 13 seconds was 7%.The middle 60% of the time lapsed will fall between which two
numbers?

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Definitions:

Endplay

Linear play in a shaft, wheel, or rotor. The slang term for this, slop, describes the condition well. Some OEMs use the term axial slop to describe endplay.

Truck Wheel Seal

A component used in trucks to prevent lubricants from leaking out of the wheel bearings and to keep contaminants out.

Seal Driver

A tool used in the installation of seals in machinery, ensuring a proper fit without damage to the seal or housing.

Hydraulic Press

A machine press using a hydraulic cylinder to generate a compressive force, widely used in forming, shaping, and pressing of materials.