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1. The size of an atom is approximately 10-8 cm. To locate an electron within the atom, one should use electromagnetic radiation of wavelength not longer than 10-9 cm. What is the energy of the photon with such a wavelength (in cV)?
2. Using the Rydberg formula, calculate the wavelenbith and energy of the photons emitted m the Lymann series for electrons originally in the orbits n=2, 3, and 4. Express your results in cm, eV, and J. In which region of the electromagnetic spectrum are these emissions?
suppose that when certain geological conditions exist there is a 20 chance of striking oil. a drilling company finds
solve the following one exercise using r. please attach the r commands output and graphs that you used to answer the
An analyst wishes to include number of older siblings in family as a predictor variable in a regression analysis of factors affecting maturation in eighth graders. The number of older siblings in the sample observations ranges from 0 to 4.
consider the following joint probability density function of the random variables x and y fxy 3x-y9 for 1ltxlt3 and
There are four entrances to the Government Center Building in downtown Philadelphia. The building maintenance supervisor would like to know if the entrances are equally utilized.
Sample standard deviation s2 = 7.6 thousand dollars. Does this indicate that in St. Louis, computer stores tend to have higher mean profits per employee? Use α = 0.01 and interpret your answer.
Develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.
A random sample of 15 college graduates revealed that they worked an average of 5.3 years on the job before being promoted. The sample standard deviation was 1.2 years. Using the 0.95 degree of confidence, what is the confidence interval for the p..
What can you conclude regarding the information? Who tends to order the most or least number of condiments?
Two of these students are to be randomly selected for inclusion on a university-wide student committee (by placing ?ve slips of paper in a bowl, mixing, and drawing out two of them). What are the 10 possible outcomes (simple events)?
the local newspaper was interested in the proportion of people that would vote in favor of a bond issue to add a new
Create a simple scatterplot of the relationship between these variables (define interview scores as the x-axis and behavioral ratings as the y-axis).
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