Find the z-score given the confidence level

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Demonstration of using invNorm in the TI83/84 calculator for a 95% confidence level and 90% confidence level.
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finally a video that shows me how to find this value thoroughly and concise. Thank you!

lex
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This video is what ive been looking for like a sign from god in every bible story, it has taken 6 weeks to get someone to explain this like you did. Thank you!!

donovancarney
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Thank you for this video! So easy to follow

brittanymiller
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Thank you so much for this. Is there a way to calculate the t-score as well for a given confidence level?

bruce