The brightness of sunlight at the earth's surface changes over time depending on whether the earth's atmosphere is more or less clear. Sunlight dimmed between 1960 and 1990. After 1990, air pollution dropped in industrial countries. Did sunlight brighten? Here are data and scatterplot from Boulder, Colorado, averaging over only clear days each year. (Other locations show similar trends.) The response variable is solar radiation in watts per square meter. Year 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 Sun 244 246.8 248.3 250.4 250.5 250.5 250.5 248.8 251.3 251.7 250.8 Has sunlight brightened overall? No Yes What is the best word to describe the type of relationship? Curved Linear What is the correlation between the year and sun brightness (round your answer to at least two decimal places.)

Suppose for a random sample of 49 CMU students, the mean amount of time spent eating or drinking per day is 1.58 hours with a S.D. of 0.62 hours!

• What is the Margin of Error at a C.L. of 90%?
• What is the right boundary of the C.I. at a C.L. of 90%?

Problem 2. Give an example of an open set O such that the boundary of the closure of O has positive Lebesque measure. (Hint: try to play with the union of open intervals taken out of [0, 1] during the construction of Cantor set on... ODD steps.)

1. What is responsive supply chain strategy, and for what type of product fits responsive supply chain strategy?

2. what are the prerequisites of responsive supply chain strategy?

3. where do you think push-pull boundary should be located in a supply chain?

Determine the eigenvalues and eigenfunctions of the following operator (assume σ(x) ≡ 1): L(u) = u''−2u x ∈ (−1,1) with periodic boundary conditions u(−1) = u(1), u'(−1) = u'(1). Box your final answer

1. Define an information system, and list the components of the information system above?

2. Can you make a functional decomposition to the information system above, and why?

3. Where is the automation boundary, and what part of the system is in and what part is out the automation?

. . The first aid boxes must be ready by the time college resumes for academic work

1. As per the academic scholars and authors, what are the 4 limitations that they found with this CMD model?

how (any university) fits with your academic and professional goals. 150 words