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Statistic Questions?

1. Coke cans are filled with 12 ounces of soda with a standard deviation of 0.11 oz. Find the probability that in a sample of 49 cans, the mean will be greater than 12.10 ounces (profit waste)...

Find the value?

If y1, and y2 are a fundamental set of solutions of t2y"-2y'+(3+t)y=0 and if W(y1, y2)(2)=3, find the value of W(y1, y2)(4). Answer: 3āˆšeā‰ˆ4.946

write a rule

how do I write a rule for:       x   -1, 0, 1, 2     y    1, 3, 9, 27     I think it is x add 1,...

linear equations

Is this statement true?   An inconsistent system  of linear equations has NO solutions (s) and the line graphed will BE PARALLEL.

isosceles trapezoid history

Who first called it an isosceles trapezoid? Who discovered it's properties? How did they use this information? I have a report on them right before the break. :/

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