S sonney32 New member Joined Apr 13, 2011 Messages 13 Apr 23, 2011 #1 Let x be a binomial random variable with n = 10 and p = .4 Find the values of P(x?4) E(x)=np I am not even sure where to start, if someone could give me some examples. Thanks
Let x be a binomial random variable with n = 10 and p = .4 Find the values of P(x?4) E(x)=np I am not even sure where to start, if someone could give me some examples. Thanks
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Apr 23, 2011 #2 Time out!! If you cannot do the second one, please get out of this class and re-register for pre-algebra. For the first, p(x>=4) = 1 - [p(0) + p(1) + p(2) + p(3)] RBGTHGANH
Time out!! If you cannot do the second one, please get out of this class and re-register for pre-algebra. For the first, p(x>=4) = 1 - [p(0) + p(1) + p(2) + p(3)] RBGTHGANH