During a particular period a university’s information technology office received 20 service orders for problems with printers, of which 8 were laser printers and 12 were inkjet models. A sample of 5...

During a particular period a university’s information technology office received 20 service orders for problems with printers, of which 8 were laser printers and 12 were inkjet models. A sample of 5 of these service orders is to be selected for inclusion in a customer satisfaction survey.

a)Construct probability distribution function keeping inkjet printer as random variable.

b)What is the probability that there will be more than 2 inkjet printers?

c)What is the probability that all will be laser printers?

d)What is the probability that there will be no inkjet printer?