Confidence interval estimate of the mean sat scores
A random sample of 225 SAT scores has a mean of 1500. Assume that SAT scores have a population standard deviation of 300. Construct a 95% confidence interval estimate of the mean SAT scores. Show work.
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Use Gauss' law to find the electric field of an infinitely long wire with static, uniform charge density (lambda) at some distaance r from it. Integrate to get the potential V(r), using V(r)-V(ro)=- \(\int_{r_o{}}^{r} E dl\).where r0 is some r
A company must incur annual fixed costs of $4,000,000 and variable costs of $400 per unit and estimates that it can sell 40,000 pumps annually and marks up cost by 30%.
A very long and hollow conducting cylinder with inner radius 5.0cm and outer radius 12.0 cm has a uniform charge distribution along its length of ? = 9.0 ?C/m.What is the value of the electric field at 7.0 cm from the axis of the cylinder? (inside th
Vinent's friend tells him that capital gains tax is discriminatory in that it is imposed upon individuals who can afford to buy capital assets. Do you agree or disagree? Why? Why not?
Explain how and why Carbon can experience, sp, sp2, and sp3 via hybridization and what role this plays in the geometry of the molecule.
Using this information, prepare a statement of cash flows under direct method. (List any deduction in cash and cash outflows as negative amounts.)
Assume that Dr. Jones' patients pay an average 80 percent of charges. Also assume cost to charge ratios of 0.90 in Nursing, 0.80 in Lab, 0.50 in Pharmacy, and 0.70 in Radiology. What is the total profit earned on Dr. Jones' patients?
The outcome is patient's self-reported effect of treatment. The data are shown below. Are symptoms independent of treatment? Conduct a ChiSquare test at a 5% level of significance.
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