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.Approximately how many students scored less than 543 points?
A. 500
B. 750
C. 543
D. 637
E. none of these
Answer: A
Mathematics
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Complete the following statement using the appropriate symbol.
?
_____
?
A. = B. < C. > D. ? E. ?
Mathematics
Find the extreme values of the function and where they occur.y = x2ex
A. Minimum value is 0 at x = 0; no maximum value. B. Minimum value is 0 at x = 0, maximum value is 4e-2 at x = -2. C. Minimum value is 4e-2 at x = -2; no maximum value. D. None
Mathematics
Find the unknown length in the right triangle.
A. b = 16 ft B. b = 20 ft C. b = 19 ft D. b = 14 ft
Mathematics
Answer the question.True or False: The graph of the equation 9x - 15y = 16 goes .
A. True B. False
Mathematics