Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.
A. (A ? B) ? C'
B. (A ? B) ? C'
C. (A ? B) ? C'
D. (A ? B) ? C
Answer: B
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Solve.10,500 college students were asked to name their favorite sport. Of this group, 
said basketball, 
said soccer, 
said baseball, 
said they had no favorite sport, and the remainder said volleyball. How many named each sport? 
A. Basketball: 3,500 Soccer: 2,100 Baseball: 1,800 Volleyball: 2,575 None: 525 B. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,635 None: 515 C. Basketball: 3,500 Soccer: 2,100 Baseball: 1,750 Volleyball: 2,625 None: 525 D. Basketball: 3,500 Soccer: 2,050 Baseball: 1,750 Volleyball: 2,675 None: 525
Solve the problem.The fluctuation in power (in W) in a microlamp was measured five times, and the measured values were 60.10, 59.93, 60.16, 60.03, and 59.82. Find the standard deviation and variance for the data. Round the results to the nearest thousandth.
A. s = 0.271, v = 0.073 B. s = 0.121, v = 0.015 C. s = 0.015, v = 0.001 D. s = 0.224, v = 0.050
Perform the indicated operation.-38 + 16
A. -22 B. 54 C. 22 D. -54
Work the application.A survey of 1822 people found that 647 people were planning to travel on Labor Day weekend. How many of the people in the survey were planning to stay home?
A. 2469 people B. 1075 people C. 2369 people D. 1175 people