Answer the question(s) based on the following situation: For a population of 2000 students taking the SAT math exam, the scores on the exam have an approximately normal distribution with mean ? = 590 and standard deviation ? = 70.A score of 700 has an approximate standardized value of
A. 10.
B. -1.57.
C. 110.
D. 1.57.
E. none of these
Answer: D
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Solve the problem.A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 108 in. Suppose you want to mail a box with square sides so that its dimensions are and it's girth is
What dimensions will give the box its largest volume?
A. 36 in. × 18 in. × 36 in. B. 18 in. × 18 in. × 36 in. C. 24 in. × 24 in. × 18 in. D. 18 in. × 18 in. × 90 in.
Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid
A. 160? B. 60? C. 80? D. 180?
Solve.209 chocolates are to be packed into boxes each of which will contain 9 chocolates. How many boxes of chocolates will there be? How many chocolates will be left over?
A. 22 boxes; 2 chocolates left over B. 23 boxes; 2 chocolates left over C. 23 boxes; no chocolates left over D. 22 boxes; 3 chocolates left over
Use the inverse of the coefficient matrix to solve the system of equations. y + z = 5,3x -z = 8, 2x + y + 3z = 9; A-1 = -
A.
B.
C.
D.