Determine the size of the sample space for the experiment described.A box contains 10 red cards numbered 1 through 10. State the number of elements in the sample space of picking one card from the box.
A. n(S) = 100
B. n(S) = 10
C. None of these
D. n(S) = 1
Answer: B
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Solve the problem.Alayna gets reimbursed by her company for travel expenses. Her company pays $0.30 per mile when employees use their own vehicle, which she did. She drove 482 miles and spent $50.00 on gas. She spent three nights in a hotel at $97.20 per night and spent $93.93 on food. Write a numerical expression that describes her total expenses, then find the total expenses.
A. 482 + 50.00 + 3(97.20) + 93.93 = 
B. 0.30(482) + 50.00 + 3(97.20) + 93.93 = 
C. 0.30(482) + 50.00 + 97.20 + 93.93 = 
D. 0.30(482) + 3(97.20) + 93.93 = 
Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 1100 people were afflicted with the disease in 2010, estimate the number of new cases in 2015. (Round to the nearest whole number, if necessary.)
A. 17 new cases B. 69 new cases C. 138 new cases D. 34 new cases
Solve the equation and check your proposed solution.-15 = n - 7
A. -8 B. 22 C. 8 D. -22
Write the sum in summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 