Stephen Bourne at AT&T Bell Labs developed the ____ shell as the first UNIX command processor.

A. Bash
B. Bourne
C. C
D. Korn


Answer: B

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The molarity of a solute in solution is defined to be the number of moles of solute per liter of solution . If X is the molarity of a solution of sodium chloride (NaCl), and Y is the molarity of a solution of sodium carbonate, the molarity of sodium ion (Na+) in a solution made of equal parts NaCl and is given by M = 0.5X + Y. Assume X and Y are independent and normally distributed, and that X has mean 0.450 and standard deviation 0.050, and Y has mean 0.250 and standard deviation 0.025.

a. What is the distribution of M? b. Find P(M > 0.5).

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Manicuring implements should be sanitized (washed & disinfected):

What will be an ideal response?

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The fundamental hazard associated with excessive noise is hearing loss.