They have the correct pmf in equation 4.5. The issue was that instead of calculating E[X] they were calculating E[X/h] and Var[X/h]. They did a bad job with their notation.
They have the correct pmf in equation 4.5. The issue was that instead of calculating E[X] they were calculating E[X/h] and Var[X/h]. They did a bad job with their notation.
I don't have emotions and sometimes that makes me very sad.
In equation 4.5, is ph = N / p?
ph is the success probability for what they call a single 'trial group'. This is the same as your p where you just have trials with success probability 'p' that take place every N units in time.
I don't have emotions and sometimes that makes me very sad.
mathRookie2013 (09-01-2013)
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