Probability Distributions in TI-84

To find the percentile of a z-score on a TI-84 calculator, you can use the following syntax: normalcdf(-99, z-score, μ, σ) where:…

The central limit theorem states that the sampling distribution of a sample mean is approximately normal if the sample size is large…

A probability distribution tells us the probability that a random variable takes on certain values. For example, the following probability distribution tells…

The geometric distribution describes the probability of experiencing a certain number of failures before experiencing the first success in a series of…

The Poisson distribution is one of the most commonly used distributions in all of statistics. This tutorial explains how to use the…

The normal distribution is the most commonly used distributions in all of statistics. This tutorial explains how to use the following functions…

The binomial distribution is one of the most commonly used distributions in all of statistics. This tutorial explains how to use the…

Whenever you conduct a hypothesis test, you will get a test statistic as a result. To determine if the results of the hypothesis…

When you conduct a t-test, you will get a test statistic as a result. To determine if the results of the t-test…

A z-score tells us how many standard deviations away a given value is from the mean. The z-score of a given value is…