SOLUTION: 75% of the employees in a specialized department of a large software firm are computer science graduates. A project team is made up of 10 employees. Part a) What is the most likel

Question 1148207: 75% of the employees in a specialized department of a large software firm are computer science graduates. A project team is made up of 10 employees.
Part a) What is the most likely number of computer science graduates among the 10 project team members? Your answer should be an integer. If there are two possible answers, please select the smaller of the two integers.
Part b) I meet 20 employees at random. What is the probability that the fourth employee I meet is the first one who is a computer science graduate?
Answer by Alyssa Maserang(9) (Show Source): You can put this solution on YOUR website!
part a = 7.5
part b... sorry I'm in 6th-grade advanced math but that makes no sense to me (really, I'm sorry😞)
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