SOA Exam P Probability Distributions UPDATED ACTUAL Exam Questions and CORRECT Answers

SOA Exam P Probability Distributions
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Discrete Uniform - CORRECT ANSWER - Finite number of outcomes, all of which are
equally likely.


Discrete Uniform PMF - CORRECT ANSWER - 1/(b-a+1)



Discrete Uniform Mean - CORRECT ANSWER - (a+b)/2



Discrete Uniform Variance - CORRECT ANSWER - [(b-a+1)^2-1]/12



Binomial - CORRECT ANSWER - Probability of x successes in n trials given
independence and all values have the same probability


Binomial PMF - CORRECT ANSWER - (nCx)(p^x)(1-p)^(n-x)



Binomial Mean - CORRECT ANSWER - np



Binomial Variance - CORRECT ANSWER - np(1-p)



Hypergeometric - CORRECT ANSWER - Probability of x successes in n trials given
dependence and all values have the same probability


Hypergeometric PMF - CORRECT ANSWER - [(mCx){(N-m)C(n-x)}]/(NCn)



Hypergeometric Mean - CORRECT ANSWER - n(m/N)