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Consider an edge-emitting laser with identical facets. Find the mirror loss and threshold gain if nactive =3.2, a,=5 cm·1 and L=l mm. Now consider that one of the facets is coated with a dielectric/metal layer such that the reflection coefficient is R=0.98, find threshold gain and mirror loss for this case and compare with the previous result. Which one do you think will have a smaller threshold current and higher power when the output from the facet with the same R is measured? Why?
find the z-score for the number that is less than only 1 of the values of a normal
Describe the measures of central tendency. Under what condition(s) should each one be used? Last year, 12 employees from a computer company retired. Their ages at retirement are listed below. First, create a stem plot for the data. Next, find the m..
the employees of cartwright manufacturing are awarded efficiency ratings. the distribution of the ratings approximates
Some people who bought X-game gaming systems complained about having received defective systems. The industry standard for such systems has been 98% non-defective systems.
Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample mean commute distance.
the effect of twitter on college
the wall thickness of 20 glass 2-liter bottles was measured by a quality control engineer. the sample mean was xbar4.05
find the indicated quantities given that x is a normal random variable with a mean of 30 and a standard deviation of
Calories in each hamburger measured. Can the reporter conclude, at α = 0.05, that the hamburgers from the two chains have a different number of Calories?
If a worker is known to strongly agree with the statementMy current job brings out the most creative ideas" what is the probability that the worker is engaged?
Create risk profiles for medium and large alternatives. Given mayors concern over possibility of losing money and result of part (a), which alternative would you suggest?
Two groups were polled about their attitudes towards capital punishment. In one group 30 out of 100 favored capital punishment, and in the other group 40 out of 80 favored capital punishment. Calculate an appropriate test value to test the hypothesis..
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