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Question: You have learned (or will learn) in optics that certain lenses (namely, thin spherical lenses) can be characterized by a parameter called the focal length f and that if an object is placed at a distance p from the lens, the lens forms an image at a distance q, satisfying the lens equation, 1/f = (11p) + (11q), where f always has the same value for a given lens. To check if these ideas apply to a certain lens, a student places a small light bulb at various distances p from the lens and measures the location q of the corresponding images. She then calculates the corresponding values off from the lens equation and obtains the results shown in Table. Make a plot of f against p, with appropriate error bars, and decide if it is true that this particular lens has a unique focal length f
find the value of the linear correlation coefficient r, and find the critical values of r from Table VI, Appendix A, p. A-14, of your textbook Elementary Statistics. Use α = 0.05.
The amphitheater operators believe that 9000 people is the optimal attendance in terms of comfort and profit. Is there any evidence to suggest that the true mean attendance is different from 9000?
The monthly average sales of the Smiling Ninja Computer Company may be approximated to a normal distribution curve. It has a mean of $22,000 and a standard deviation of $3,300.
Based on this sample, construct and interpret the 99% confidence interval for the population proportion of investors on the counselor's mailing list who think of themselves as someone who enjoys taking risks.
What is the probability that the sum of their scores exceeds 1200 and probability that the average of the scores of all 400 student
Criticize the following definitions in light of the eight rules for lexical definitions:- Logic is the study of arguments including definitions.
Construct an appropriate control chart and comment on the quality level. Is a goal of error-free performance reasonable to expect from this system?
Find a 90% confidence interval for the difference in the mean evaluation scores of training programs 1 and 3. Is there a difference between these two programs?
Make a forecast for 2005, using a trend model of your choice or a judgment forecast. Discuss. Note: Time increments are 5 years, so use t = 6 for your 2005 forecast.
the department of natural resources reports that a fish is unsafe to eat if the polychlorinated biphenol pcb
Weekly income of more than $429.35, the value of the standard deviation of the weekly earnings of the bus drivers is 15. is it true?
If you have a choice between two estimates, the sample mean from a sample of size 5 and a sample mean from a sample of size 10, which one would generally give a "better" estimate? Clearly state your definition of "better."
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