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Normal Distribution Probability Finder

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MK96
MK96 il 9 Nov 2016
Modificato: dpb il 9 Nov 2016
Trying to use normal distribution with mean = 0 and variance = 1 to find the prob(X>-2.125)
How would I go about doing this?

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Massimo Zanetti
Massimo Zanetti il 9 Nov 2016
pp = makedist('Normal','mu',0,'sigma',1);
yourP = 1-cdf(pp,-2.125)

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dpb
dpb il 9 Nov 2016
Modificato: dpb il 9 Nov 2016
>> norminv(0.1,-2.125)
ans =
-3.4066
>>
if have Stat Toolbox.
Right answer, wrong question (and a typo, to boot)... :(
>> 1-normcdf(-2.125)
ans =
0.9832
>>
  2 Commenti
Massimo Zanetti
Massimo Zanetti il 9 Nov 2016
Negative probability seems quite wrong.....
dpb
dpb il 9 Nov 2016
Think? :) Misread query, sorry...

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