Math Chapter Wise question with answer

Q01 If a random variable X has Poisson distribution with mean 3, then P (x > 2.5) is equal to- English · UPPSC Polytechnic Lecturer 2021 (I) Q02 If mean of the Poisson distribution is m, then standard deviation is equal to: English · Haryana PGT 2020 Q03 If X is a poisson variate such that P(X = k) =P(X = k + 1) for some positive integers ‘k’ then the mean is: English · OAVS TGT 2022 Q04 The mean of the probability distribution of the number obtained on throwing a die having written 1 on three faces,... English · EMRS TGT-2023 Q05 The median and mode of a frequency distribution are 26 and 29 respectively. Then the mean is: English · EMRS TGT-2023 Q06 The frequency distribution of the amount of rainfall in December in a certain region for a period of 30 years is gi... English · DSSSB PGT 2021