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September 25th, 2015, 08:22 PM  #1 
Newbie Joined: Sep 2015 From: Australia Posts: 12 Thanks: 0  Probability spike graphs
Does anyone know how to construct a probability spike graph for Bin(10, 0.1) and bin(10, 0.9) could you also tell me the process in how you did it please thanks! 
September 26th, 2015, 09:29 AM  #2 
Member Joined: Sep 2015 From: London Posts: 31 Thanks: 6 
Suppose X is distributed binomially, i.e. X ~ B(10, 0.1). Then, you'll want to calculate P(X = 0), P(X = 1), P(X = 2), ... , P(x = 10). For your axes, you'll have n (i.e. 0, 1, 2, ..., 10) on the horizontal axis, and you'll have the probability p for each P(X = n) along the vertical axis. The result might look something like this: 

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