Question: pls help The time spent by students working on a project s a normal random variable with parameters =12 hours and =4 hours. Compute the

pls help

The time spent by students working on a project s a normal random variable with parameters

=12 hours and =4 hours. Compute the probability that (a) the amount of time spent on the

project is less than 4 hours; and (b) amount of time spent on the project is greater than 8 hours.

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