Inverse Normal Distribution | Casio fx-570VN/991 C/115ES Plus I Find Z and X

In this tutorial, we walk through how to use the Casio fxES Plus to find values from the Inverse Normal Distribution. To find a specific z-score or a data value x given an area or probability, this video simplifies the process using the calculator's built-in distribution functions. What You Will Learn: • How to access the Distribution Mode on the Casio fx-991ES. • Entering the Area (cumulative probability from the left). • Setting the Mean (μ) and Standard Deviation (σ). • Interpreting the result for both Standard Normal and General Normal distributions. Timestamps: 0:00 - Introduction & Mode setup 0:30- Find z-score (left-tailed) 1:10 - Find z-score (right-tailed) 1:38 - Non-standard normal distribution 2:30 – Scores for middle 95%