math80.sample quiz11

# math80.sample quiz11 - net rate of growth and the average...

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wostner: averages: exercise set 2 1. Calculate the GPA for this report card: course grade units Math 12 3 A 3 CS 456 B 5 PE 101 C 1 2. Answer: 3.22 3. Calculate the GPA for this report card: course grade units Math 10 1 A- 5 CS 99 C+ 4 PE 101 B 1 4. Answer: 3.07 5. Calculate the mean of x for this frequency table: x f 10 3 20 5 30 12 40 25 50 5 6. Answer: 34.80 7. Calculate the mean of x for this frequency table: x f 120 320 130 500 140 400 150 0 160 50 8. Answer: 131.81 9. Calculate the Expected Value of X: x p(x) 200 0.1

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400 0.25 -100 0.5 -60 0.15 10. Answer: 61.00 11. Calculate the Expected Value of X: x p(x) 500 0.15 -1000 0.55 400 0.2 -600 0.1 12. Answer: -455.00 13. Given these rates of growth: 0.20, 0.30. Find the
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Unformatted text preview: net rate of growth, and the average rate of growth. Answer: Net rate: 56.00% Average rate: 24.90% 14. Given these rates of growth: 0.30, 0.50, 0.70. Find the net rate of growth, and the average rate of growth. Answer: Net rate: 231.50% Average rate: 49.11% 15. Given these rates of growth: 0.10, -0.10. Find the net rate of growth, and the average rate of growth. Answer: Net rate: -1.00% Average rate: -0.50% 16. Given these rates of growth: 0.30, 1.20, -0.50. Find the net rate of growth, and the average rate of growth. Answer: Net rate: 43.00% Average rate: 12.66%...
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