Find the probability.A die is rolled twice. What is the probability of getting a sum greater than or equal to ten?
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.A window is in the form of a rectangle surmounted by a semicircle. The rectangle is of clear glass, whereas the semicircle is of tinted glass that transmits only one-fifth as much light per unit area as clear glass does. The total perimeter is fixed. Find the proportions of the window that will admit the most light. Neglect the thickness of the frame.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Complete the table and use it to calculate the indicated relative frequency. Round your answer to three decimal places if necessary.The following table displays the age, in years, and sex for the residents of a retirement home.Age (years)?60-69 70-79 Over 79 Total Male5? 5 5? Female15?6? 4? Total????What is the relative frequency for persons in the age group 60-69?
A. 0.5 B. 0.667 C. 0.25 D. 0.333
If possible, find the mode(s) of the data set.5, 9, 45, 3, 2, 8, 76, 1, 4, 16
A. 9 B. No mode C. 8 D. 16.3
This follows as a Corollary to the Parallel Postulate:
(a) AAS. (b) HL. (c) HA. (d) ASA. (e) Both (a) and (c) are correct. (f) Both (b) and (d) are correct.