Hi Please find attach related to the book which contains the exercise that I nee

Hi Please
find attach related to the book which contains the exercise that I need a
solution for it the details as following:Exercise
3 (Chapter7) page 2473. The
expected times and variances for the project activities are given below.What
is the probability of completing the project in 25 periods? IDDescriptionPredecessorteVariance[(b-a)
/6] 21Pilot productionNone632Select channels of distrib.None743Develop mktg. programNone424Test market1425Patent11056Full production416107Ad promotion3328Release256721Note: Please
review the exercise from page 247Please
check that the solution is free from any plagiarism issues. I need a simple and
clear solution and ideas. I need
solutions in a style that is suitable for discussion and give opinions. No
problem with the length (as solution required). Thanks
Sara
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