Find the portion of the students

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Professor Tom Cowing conducted a study on the time his students spent studying for his course. The study showed that the students spent an average of 2.3 hours studying, with a standard deviation of 0.50 hours and it follows the normal probability distribution.

A) Find the portion of the students who were studying between 2.3 and 3 hours.

B) Find the portion of the students who were studying more than 3 hours.

C) Find the portion of the students who were studying between 3 and 3.5 hours.

D) Find the portion of the students who were studying between 2 and 3.5 hours.

Reference no: EM131564417

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