250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.The third quartile of the scores on the exam is approximately
A. 94 points.
B. 90 points.
C. 82 points.
D. 77 points.
E. none of these
Answer: C
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Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 6); quadrant II B. (-4, 6); quadrant I C. (-4, 3); quadrant II D. (-4, 3); quadrant I
Determine if the sequence is arithmetic, geometric, or neither. If arithmetic or geometric, determine the first term and the common difference or common ratio.
A. neither arithmetic nor geometric
B. Geometric; a = 1, r = 
C. Geometric; a = 
, r = 
D. Arithmetic; a = 
, d = 
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A. No B. Yes
Solve the problem.On Monday, an investor bought 100 shares of stock. On Tuesday, the value of the shares went up 5%. How much did the investor pay for the 100 shares if he sold them Wednesday morning for $1260.00?
A. $1323.00 B. $1210.00 C. $1200.00 D. $1250.00