Find Critical Value Z for Confidence Intervals with TI-84

In this video, I show how to find the critical z-values using the TI-84 graphing calculator.
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[@justinrodriguez9098]

omg thank you so much for thinking of the ones who have older calculators. I appreciate you!

[@tiffanyjarrett387]

Thank you so much because my teacher did not explain how to do this

[@MathandStatsHelp]

You're welcome

[@lupethoughts]

Best video . Thanks. Straight to the point!

[@jackwollermann2455]

dude you literally are saving me with this thank you

[@MathandStatsHelp]

You're welcome

[@vivianrl4824]

Sooooo helpful. Thank you. Please keep posting! I can see your channel became huge.

[@MathandStatsHelp]

I have a website with everything nicely organized: mathandstatshelp.com/ It's free to use.

[@abdulrahmanalaqeel1720]

thank you thank you

[@MathandStatsHelp]

You're welcome

[@theeconomicsofthings9752]

I had to find critical values for some confidence interval with degrees of freedom. However I used “invT” function and got negative versions of the correct answer... what am I neglecting?