Question about Texas Instruments TI-34II Explorer Plus Calculator

Binomial distribution on ti 34II

How do I enter in a binomial distribution formula into a TI-34II calc? The numbers are as follows: n=100; p=0.8; q=0.2; x=85; (n-x)=15 I have an exam tomorrow and forgot to bring my graphing calc to school! please help!

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Stevan Milanovic

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Posted on Oct 22, 2013

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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.
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In what follows, I am using parentheses to enclose what is in the denominators). So
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How to use the nCr button for the binomial distribution using the ti 30Xa"

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Hello,
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I was told that, to do binomial distributions on a ti-86, I would need to hit 2nd Math, then More, and I should see something that says STAT and go from there to get to DIST and Binomi. I see nothing...

Hello,

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How do i enter the formula into my calc for a binomial distribution? this is for a ti-30xs multiview

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

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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.

Mar 08, 2008 | Texas Instruments TI-30 XIIS Calculator

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Binomial distribution on ti 34II

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Stevan Milanovic

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Binomial distribution on ti 34II

1 Answer

Stevan Milanovic

1 Suggested Answer

6ya staff

Add Your Answer

Attachments: Added items

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