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Stadard deviation I keep getting a domain error

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  • Lori123 Nov 08, 2007

    2nd List Math 7 (L1,L2

  • Anonymous Feb 27, 2008

    What are u doing? I'm getting syntax error.

  • farial_toma Dec 18, 2008

    whenever i try to enter a negative number for solving simulataneous equations, i get 07 syntax error on TI - 85.
    what do i do?



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What's the list size? are they the same size?

Posted on Nov 25, 2008


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I keep on getting domain error when calculating inverse normal with aera: .025 mean: 1 and standard deviation: 0 on my TI 89

This is to be expected. A standard deviation of 0 means that all the data points are identical. Asking for the point below which .025 of the data lie is meaningless.

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How to find inv cos with ti-84 plus

Make sure the argument is between negative one and positive one, inclusive. The inverse cosine is defined only for arguments in that domain, anything else will give you a domain error.

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2nd vars 2 (normalcdf( -999999,-.1923) Just trying to get area from z value -.0.1923 keep getting errors

The normalcdf function takes three arguments: the z value, the mean, and the standard deviation. In the "standard" case the mean is 0 and the standard deviation is 1. Thus, try calculating
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What is D.N.S?

Take your pick

Acronym Definition DNS Domain Name System DNS Domain Name Service DNS Did Not Start (auto racing) DNS Dragon Naturally Speaking (voice recognition) DNS Direct Numerical Simulation DNS Domain Naming System DNS Do Not Sell DNS Desoxyribonukleinsäure (German: DNA) DNS Distributed Name Service DNS Determination of Non Significance DNS Data Network Services (Richmond, Virginia) DNS Digital Nervous System DNS Dansyl DNS Domain Name Server/Service DNS Data Not Shown DNS Director of Nursing Services DNS Dynamic Name Server DNS Doctor of Nursing Science DNS Dinitrosalicylic Acid DNS Do Not Schedule DNS Director, Navy Staff DNS Department of Nuclear Safety (FEMA) DNS Distant Network Service DNS Deviated Nasal Septum DNS Den Norske Studentersangforening DNS Dog N Suds (drive-in restaurant) DNS Division of Nuclear Safety DNS Doppler Navigation System DNS Date Not Specified DNS Day & Night Sight DNS Do Not Stuff (electronics manufacturing) DNS Diffuse Neutron Scattering DNS Decca Navigator System (RadioNavigation-Commission of Irish Lights) DNS Day/Night Scope DNS Do Not Survey DNS Delta Network Systems DNS Drowning Non-Swimmer (lifeguarding) DNS Diablo Numismatic Society DNS Digital Network Switch DNS Dremel Net Solutions LLC DNS Doppler Navigation Sensor DNS Drunk 'n Stupid (band) DNS Dextrose Normal Saline DNS Division of Nutritional Services DNS Dinitrosalycilate (biochemistry)

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I keep getting the following when opening or sending mail: The message could not be sent. The setting for your outgoing email [SMTP] server might need to be configured. To find the server settings for...

Quick summary:
It appears that email address does not exist - which is why your email program was unable to send the message. There may be a small typographical error in the address - which you would need to correct in order to send the message successfully.

The error message you received says the "domain does not resolve". That means your outgoing server (which is used for sending messages) couldn't find the information about the recipient's address -- and more specifically, the "domain" of the recipient's address. (That's the portion of an email address following the "@" sign.)

The error message indicates the domain of the recipient's address is "". But a quick check of domain registration records indicates there is no registered domain by that name. And if a domain is not registered, there can't be any websites or email addresses which use that domain name.

However, there is a properly registered domain "" (with a "d" rather than a "c"). That seems much more likely - as the combination of recognizable words ("quick" "fire" "productions"). That domain is registered to owners in Florida, USA. See details at:

If that registered domain name sounds right, then you should revise the email address in your message to use the correct domain name (i.e., replacing the "c" with a "d").

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Oops! This page appears broken. DNS Error - Server cannot be found.

The servers are located in the network by using it's ip address.
Using names for the domains is easier for humans.
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When an error occurs finding the corresponding ip address for the domain name, youll get the message "Oops! This page appears broken. DNS Error - Server cannot be found.".

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Stat list keeps showing domain error ti 89

In Home folder, press [2nd][F1] (F6) [2:NewProb][ENTER][ENTER]. This will clear the calculator of old junk.
You get a domain error if for exemple a function takes integer arguments but you are feeding it decimals, or like the square root and ln which need positive arguments and you give them negative values.
Instead of looking at all the old junk (variables, functions, configuration settings in stat plots incompatible with your new plots) to find the offending ones, it is more efficient to clear the slate (NewProb) and start afresh.

Hope it helps.

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try master restting it? hwo old is the battery? batterys have liek a one and a half year stadard life, if its older, get a new one

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Not sure if TI-89 mode keys are the same, but here's the solution for that calculator:
1. Hit the mode key
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3. Set it to Exact.
4. Take a look at T-89 manual pages 327, 328, 329.
Nice of TI to NOT include that in the manual, huh?

Dec 13, 2007 | Texas Instruments TI-89 Calculator

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