Friday
December 13, 2013

# Posts by Lea

Total # Posts: 198

arithmetic
lim x->0 (e^x^2 - 1)/(square root(1+sinx)- square root(cosx))

world geography

world geography

world geography

stats
Test the significance of the correlation coefficient r at a=0.05 for the data below. X values 59, 65, 73, 80, 89 Y values 97, 102, 110, 117, 125 A) Accept p=0 because 60.81<3.18 B) Reject p=0 because 61.13>3.18 C) Accept p=0 because 61.13<2.78 D) Reject p=0 because 60...

Statistics
a random group of seniors was selected from a university and asked about their plans for the following year. The school advising office claims that 50% of the students plan to work, 25% of the students plan to continue in school, and 25% of the students plan to take some time ...

statistics
A random group of customers at a fast food chain were asked whether they preferred hamburgers, chicken sandwiches, or fish sandwiches. The restaurant's marketing department claims that 40% of the customers prefer hamburgers, 46% of the customers prefer chicken sandwiches, ...

Statistics
Test the significance of the correlation coefficient r at a=0.05 for the data below. X values 59, 65, 73, 80, 89 Y values 97, 102, 110, 117, 125 A) Accept p=0 because 60.81<3.18 B) Reject p=0 because 61.13>3.18 C) Accept p=0 because 61.13<2.78 D) Reject p=0 because 60...

Statistics
The table list the sugar content of two types of apples from three different orchards. At a=0.05, test the claim that the sugar content of the apples and the orchard where they were grown are not related. Sugar Content------Orchard 1----- Orchard 2------Orchard 3 Apple type1:-...

Math
How do I simplify this? :l 4(x+y)]/(5x^2y^3) ÷ (-2x-2y)/10

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