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Q. The sum of probabilities of all possible elementary outcomes of a random experiment is always equal to ...................

Q. Poisson distribution is a ........................... distribution.

Q. If m is the correlation coefficient, then the quantity (1-m2) is called ......................

Q. Normal distribution is ................................

Q. Scatter diagram is also called ...................................

Q. Classical probability is also called .........................

Q. Coefficient of concurrent deviation depends on ..........................

Q. If X and Y are independent , the value of regression coefficient byx = ....................

Q. Normal distribution was first discovered by ................................... in 1733 as limiting form of binomial distribution.

Q. The definition of priori probability was originally given by ............................