Question about Texas Instruments TI-84 Plus Calculator

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Guided input for Distributions

My calculator once had the guided input for distributions. For example when you selected binompdf a table setting came up that said something like n: p: x: and you could fill in the variables. I think the ram was erased from my calculator and now it doesn't have this function. Does anyone know how to turn it back on?

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Press the Mode button/key. Scroll down to the line Stat Wizards and highlight ON. Press ENTER. to validate the choice. Exit the Mode setting. Now Press the key sequence [2nd][VARS] (DISTR) to access the distributions. Scroll to find your distribution, select and press ENTER. You will have your entry screen.

Posted on Mar 08, 2014

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SOURCE: binompdf ( says n:......p:.....x:..... How can I enable this guided input on my TI-84?

In the older versions of the OS, the command binompdf( displays a command line where the user is expected to enter the arguments respecting the syntax of the command. In the more recent versions of the OS (the most recent is 2.55 MP) the user enters the input over three lines.
I suggest you upgrade the OS of your calculator to the latest version available on the education.ti.com website.
To upgrade, insert fresh AA batteries (or just good batteries), run TI connect on your computer, connect the calculator to the computer and click the update button on TI connect main screen. It will download and update the OS.

Posted on Jun 26, 2012

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I have no idea what the problem is about. When you use the key sequence [2nd][VARS] (Distr) the screen shows two tabs at the top DISTR and DRAW. By default the cursor (or highlight) is on the 1st (DISTR>1:normalPdf). Under that TAB you have 15 distributions. Where ever the cursor might be, you can always direct it to select the distribution you are interested in.

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In the older versions of the OS, the command binompdf( displays a command line where the user is expected to enter the arguments respecting the syntax of the command. In the more recent versions of the OS (the most recent is 2.55 MP) the user enters the input over three lines.
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