45) Which of the following is not equal to 25%? 1 А. 4 C. 0.25 25 100 В. D. 2.5 46) In a class of 150, 40% are boys. How many are boys? A. 4 В. 60 С. 80 D. 120 47) Find 20% of P2300? A. 11500 В. 460 С. 115 D. 46

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Q: 1. N = 7,173 e = 2% ; n = ? e = 3% ; n = ? e = 4% ; n = ? 2. N = 4,768 e = 2% ; n = ? e = 3% ; n = ?…

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Q: 5) 45 h. 5. h D

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Q: 117. In a certain class it was found that 70% of the students passed in half-yearly examination, 30%…

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Q: If P(A) = .40, P(B) = .30, and PANB) = .15, then P(A/B) is %3D %3D A. .375 В. .12 С. .50 D. .045

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Q: 17. By applying a suitable interpolation formula estimate y47, when y20 = 512, Y30 = 438, y40 = 346,…

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Q: 9. It needs 8 persons to dig an irrigation canal in 15 days. How many persons are needed to do the…

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Q: 24. A population has SS = 100 and o 2= 5. How many scores are in the population? а. 10 b. 20 с. 200…

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Q: 3(x+7)+17 59 a. -7 + 13 b. %3D C. 42 土13 d. -7 + 14 42 土 /14

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Q: 25. a. If m L1 = 23, find m L7. b. If m L1 = k, find m L7. %3D

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