Approximately 70% of all projects at the work place were finished before the due date. Assume each project is finished independently of others. You randomly selected 20 projects that are due. Let X be a random variable and counts the number of projects that are finished by the teams. a) What distribution is this random variance X? what are the two parameters of this distribution as identified by the problem?  b) What is the probability that at least 18 projects were completed? c) What is the expected number of projects completed in your sample of 20

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Approximately 70% of all projects at the work place were finished before the due date. Assume each project is finished independently of others. You randomly selected 20 projects that are due. Let X be a random variable and counts the number of projects that are finished by the teams.

a) What distribution is this random variance X? what are the two parameters of this distribution as identified by the problem? 

b) What is the probability that at least 18 projects were completed?

c) What is the expected number of projects completed in your sample of 20? 

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