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This video explains how to find the value of c given a probability z less than = 0614 using cumulative zscore table. Tutorial on finding the mean, z score when you know area (or probability). On example of working a normal distribution word problems, involving lower cut off point.
~~~~~~~~~~~ channel does not contain ads. This tutorial shows how to calculate areas/probabilities using the cumulative standard normal tables. Can also be found on my websi.
This video shows how to calculate "inside areas" and "areas in the extreme" a normal distribution using zscores. I also use the zformula and ztable. Get full lessons & more subjects at.
This video shows how to find the area under standard normal curve using z scores. This video shows how to calculate probabilities for word problems using the normal distribution. This is just a few minutes of complete course.