Write the sample space for the given experiment.A day of the week is selected at random
A. {1, 2, 3, 4, 5, 6, 7}
B. {weekend, weekday}
C. {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday}
D. 7
Answer: C
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Find the area of the region specified by the integral(s).
A. 3 ln 3 B. 3(ln 3 - 1) C. ln 3 + 1 D. ln 3
Solve. Round your answer to the nearest tenth, if necessary.The length of a rectangular storage room is 5 feet longer than its width. If the area of the room is 50 square feet, find its dimensions.
A. Width is 4 feet; length is 11 feet B. Width is 5 feet; length is 10 feet C. Width is 6 feet; length is 11 feet D. Width is 4 feet; length is 9 feet
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 
Solve the problem using your calculator.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Use linear regression to find a linear function that predicts a student's course grade as a function of the number of hours spent in lab. Number of hours spent in lab Grade (percent) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. y = 1.86 + 88.6x B. y = 0.930 + 44.3x C. y = 44.3 + 0.930x D. y = 88.6 - 1.86x