Difficult Challenge for Darth or Stan?

This topic has 3 replies, 3 voices, and was last updated 15 years, 6 months ago by Idiotin math..

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January 29, 2007 at 11:26 am #45969

Idiotin math.
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A photography developing machine uses ink to produce photographs.A sample of 15 pictures,showed an average of 1.5 mL of ink used per picture,with a SD of .075 mL.Develop a 99% confidence band,for the actual average amount of ink used by the machine to produce each photograph?

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January 29, 2007 at 3:33 pm #151204

Sleepy Head
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Sleepy head is finally weaking up … However, the questions become montonously biased towards questions about probability and distributions …

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January 29, 2007 at 3:37 pm #151205

accrington
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That’s because he hasn’t got past the first chapter of his Statsitics for Dummies book.
In fact, he hasn’t even finished colouring in the pictures!

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January 30, 2007 at 7:33 am #151217

Idiotin math.
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Try first to answer your simple quiz before jumping to a higher level.Don’t give excuses?I can read your mind:be brave and take the challange??

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