Binomial distribution

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Posted on Jan 02, 2017

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SOURCE: BINOMIAL DISTRIBUTION

Hello,

Let us start with a review of the formula for the binomial distribution

**f(r;n,p)=n!/(r!(n-r)!)x(p^r)x(1-p)^(n-r) **

But **n!/(r!(n-r)!)=(nCr)** you get

f(r;n,p)= **(nCr)x(p^r)x(1-p)^(n-r) **

Exemple : n=25, r=6, p=0.7

**f(6;25,0.7)= **25** [PRB] [-->] **6 **[ x ] {**0.7**[ ^] **6 **}[ x ]{**0.3**[ ^ ]**19**}**

The arrow means a horizontal scroll once to select the (nCr) function. [ x ] stands for the multiplication sign.

[ ^] is the raise to the power key

The { } are used here as parentheses to make formula legible.

Hoe it helps

Hope it helps

Hope it helps.

Posted on Sep 15, 2009

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SOURCE: how do i enter the formula into my calc for a

Hello,

This is for the TI-30 XIIS. It should work for you once you find the (nCr) key or the menu item under PRB key. If you know the formula skip to Exemple

Let us start with a review of the formula for the binomial distribution

**f(r;n,p)=n!/(r!(n-r)!)x(p^r)x(1-p)^(n-r) **

But **n!/(r!(n-r)!)=(nCr)** you get

f(r;n,p)= **(nCr)x(p^r)x(1-p)^(n-r) **

**Exemple : n=25, r=6, p=0.7 **

The arrow means a horizontal scroll once to select the (nCr) function. [ x ] stands for the multiplication sign.

[ ^] is the raise to the power key

The { } are used here as parentheses to make formula legible.

Hope it helps

Posted on Oct 09, 2009

SOURCE: I was told that, to do binomial distributions on a

Hello,

Sorry, but you information is wrong, to find the binomial distribution use the PROB menu not the STAT menu. Its name is randBi

[2nd][MATH][F2:PROB] scroll right.

Hope it helps.

Posted on Oct 10, 2009

SOURCE: Missing binompdf and cdf on my ti-89

Do you have the Stats/List-Editor app loaded? If not, you can download it from http://education.ti.com

You can also try StatLite, available from http://www.ticalc.org

Posted on Feb 22, 2010

Testimonial: *"Thank you so much!! ONE more thing, do i need a specific usb cable or can i use any usb a to usb mini A cable?"*

SOURCE: how to use the nCr button for the binomial

The key is accessed by sequence [2nd] 8

Eg; Selecting 3 out of 5

5C3 is entered as 5 [2nd][8] 3 [=], result is 10

Posted on Mar 29, 2010

The only known equation for the cumulative binomial distribution is the sum of the individual binomial probabilities. Some more sophisticated (and more expensive) calculators have that equation built in, but the 30xii does not.

If n>30 and n*p>5 and n*(1-p)>5 then you can approximate the cumulative binomial with the normal probability function, but again the 30xii does not have that built in.

If n>30 and n*p>5 and n*(1-p)>5 then you can approximate the cumulative binomial with the normal probability function, but again the 30xii does not have that built in.

Apr 14, 2014 | Texas Instruments TI-30 XIIS Calculator

The number of combinations of **n objects taken r at a time **has a reserved symbol **nCr**. On calculators it has a special key (or shifted key) marked **nCr.**

By definition** nCr=(n!)/((r!)*(n-r)!)**=**nC(n-r)**

In what follows, I am using parentheses to enclose what is in the denominators). So

10!/(8!2!)=10C2 or 10C8 =45 (they have the same value)

10!/(9!1!)=10C9=10C1=10

10!/(10!0!)=1

By definition

In what follows, I am using parentheses to enclose what is in the denominators). So

10!/(8!2!)=10C2 or 10C8 =45 (they have the same value)

10!/(9!1!)=10C9=10C1=10

10!/(10!0!)=1

Feb 04, 2014 | Texas Instruments TI-34 Scientific...

See cap images below

Oct 22, 2013 | Texas Instruments TI-34II Explorer Plus...

The distributions do not exist on the TI 89 Titanium. But you can download an application from the education.ti.com website. It is called tistale.89x. Here is the link to it.

May 27, 2011 | Texas Instruments TI-89 Calculator

Press 2nd Math -> More -> Stat -> DI ST -> More -> bipdf(

May 11, 2011 | Texas Instruments TI-86 Calculator

Hello,

Sorry, but you information is wrong, to find the binomial distribution use the PROB menu not the STAT menu. Its name is randBi

[2nd][MATH][F2:PROB] scroll right.

Hope it helps.

Sorry, but you information is wrong, to find the binomial distribution use the PROB menu not the STAT menu. Its name is randBi

[2nd][MATH][F2:PROB] scroll right.

Hope it helps.

Oct 10, 2009 | Texas Instruments TI-86 Calculator

Hello,

This is for the TI-30 XIIS. It should work for you once you find the (nCr) key or the menu item under PRB key. If you know the formula skip to Exemple

Let us start with a review of the formula for the binomial distribution

**f(r;n,p)=n!/(r!(n-r)!)x(p^r)x(1-p)^(n-r) **

But**n!/(r!(n-r)!)=(nCr)** you get

f(r;n,p)=**(nCr)x(p^r)x(1-p)^(n-r) **

**Exemple : n=25, r=6, p=0.7 **

**f(6;25,0.7)= **25** [PRB] [-->] **6 **[ x ] {**0.7**[ ^] **6 **}[ x ]{**0.3**[ ^ ]**19**}**

The arrow means a horizontal scroll once to select the (nCr) function. [ x ] stands for the multiplication sign.

[ ^] is the raise to the power key

The { } are used here as parentheses to make formula legible.

Hope it helps

This is for the TI-30 XIIS. It should work for you once you find the (nCr) key or the menu item under PRB key. If you know the formula skip to Exemple

Let us start with a review of the formula for the binomial distribution

But

f(r;n,p)=

The arrow means a horizontal scroll once to select the (nCr) function. [ x ] stands for the multiplication sign.

[ ^] is the raise to the power key

The { } are used here as parentheses to make formula legible.

Hope it helps

Oct 09, 2009 | Texas Instruments TI-30 XIIS Calculator

Hello,

Data type maybe incorrect, program may be archived.

Hope it helps.

Data type maybe incorrect, program may be archived.

Hope it helps.

Jul 09, 2009 | Texas Instruments TI-86 Calculator

Yes, eleven million is rather extreme for the binomial distribution. For this large a value the binomial distribution is sufficiently indistinguishable from the normal approximation.

Apr 15, 2009 | Texas Instruments TI-84 Plus Calculator

Piper,
You can download a manual:
http://education.ti.com/educationportal/appsdelivery/download/download_eula.jsp?applicationId=6127&contentPaneId=17&cid=US
courouge

Sep 20, 2007 | Texas Instruments TI-86 Calculator

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