what is the probability distribution how to estimate probability of an unknown distribution what is the legal limit to emitted from a plant? how to estimate probability over a threshold given a small sample size? how to estimate sample sampling variance how to calculate probability of an unknown distribution what is the legal limit on the release of dioxins how to calculate the probability of distributions over a threshold how to determine the probability of a distribution of an unknown distribution in a sample? how to estimate the likelihood of a distribution being above the legal threshold? how to test a sample for a given threshold how to find the probability of sampling a distribution with a minimum of one standard sample? what is normal distribution for a range measurement can you test the average for a distribution? what is the legal limit on the emission of dioxins how to estimate probability average number of dioxins emitted how do you estimate the probability that the mean of an unknown distribution is over a threshold given a small sampling? how to estimate the probability that the mean of an unknown distribution is above a threshold? how to estimate the probability of a distribution over a threshold given a small sample size?