math
posted by Oliwia on .
35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected. Find the probability that:
a. Exactly 3 people will agree with that position (taken by the 35% of the population)
b. At least 3 people will agree with the position
c. At most 5 people will agree with the position
d. Fewer than 4 people will agree with the position

I did this one earlier today
http://www.jiskha.com/display.cgi?id=1365018585 
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