SOLUTION: Please help me with this problem: 20% of the students on campus are from California A random sample of 10 students is selected. A.)what is the expected # of California stude

Question 765580: Please help me with this problem:
20% of the students on campus are from California A random sample of 10 students is selected.
A.)what is the expected # of California students in the sample?
B.) what is the probability of finding in our sample at least 6 but less than 9 such students?
C) what is the probability of finding exactly 3 such students( show me the set up formula)

Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
20% of the students on campus are from California. A random sample of 10 students is selected.
A.)what is the expected # of California students in the sample?
Expected Value = np = 10(0.2) =
B.) what is the probability of finding in our sample at least 6 but less than 9 such students?
P(6 ≤ X < 9) = =
C) what is the probability of finding exactly 3 such students( show me the set up formula)
P(X = 3) = =
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