2008年2月15日 · A rental agency, which leases heavy equipment by the day, has found that one expensive piece of equipment is leased, on the average only one day in five. If rental on one …

2021年9月9日 · A probability distribution is a function that relates the possible values of a variable to their probabilities. The distribution may be determined rationally (Google normal PDF) or …

2023年9月9日 · I made my own dice roller app as a fun side project and I’m trying to implement an odds calculator. How did you calculate the probability distributions? I’m finding a lot of …

2022年2月9日 · So, analogously to the average/mean for a data set, to calculated the expected value of a distribution of data, you: Multiply each possible data value by the probability that it …

2023年3月1日 · The state of a particle (in most QM interpretations) is the wavefunction. The squared magnitude of the wavefunction is the probability distribution. So if you just know the …

2023年6月2日 · Look up the probability in a standard normal distribution table (Z-table) to find the corresponding Z-score. If the given probability corresponds to a value greater than the mean, …

2022年11月14日 · What is the difference between a distribution, probability distribution, frequency distribution, probability distribution function, probability mass function, and a probability …

2009年9月17日 · When the health department tested private wells in a county for two impurities commonly found in drinking water, it found that 20% of the wells had neither impurity, 40% had …

2022年1月23日 · The distribution is the set of events and their probabilities, which in this case may be conveniently represented by the above table, once it has been normalized. 0.99 would …

2021年1月9日 · X ~ N (0, 1) means the cumulative distribution function of X equals the normal (0, 1) cumulative distribution function. So saying X ~ N (0, 1) specifies for any set A the probability …