If one student is selected at random what is the probability that he or she spent at least 5 hours in the lab?
Use the following information to answer questions 2-10. 24 students in an engineering class were asked to record the number of hours spent in a lab during a week. The results are listed below.
3, 10, 21, 14, 8, 5, 1, 4, 13, 7, 9, 6, 11, 10, 6, 7, 12, 16, 1 , 7, 14, 1, 11, 8
19/24
Mathematics
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Find the exact value by using a half-angle identity.sin 75°
A. - 
B. 
C. 
D. - 
Mathematics
Solve using matrices. x + y + z = -4 x - y + 2z = 02x + y + z = -3
A. (-2, 1, -3) B. (1, -3, -2) C. (-3, -2, 1) D. (-2, -3, 1)
Mathematics
Provide an appropriate response.Let f(x) = 
. The only value(s) of x for which f is discontinuous is (are)
A. 4. B. -3 and 3. C. 3. D. -3. E. none
Mathematics
Solve the absolute value equation.|x + 1| = 5
A. {-6, 4} B. {-4} C. ? D. {6, 4}
Mathematics