Let x be a continuous random variable with a standard normal distribution. Find the requested probability.P(-0.75 ? x ? 0.75)
A. 0.5528
B. 0.5468
C. 0.2734
D. 0.7734
Answer: B
Mathematics
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = (-5x + 2y)i + (6x - 9y)j; C is the region bounded above by y = -5x2 + 250 and below by 
in the first quadrant
A. 17,430
B. - 9880
C. 17290
D. - 
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (-1, 1) for 3x - 
+ 3x2y2 = 0.
A. 
B. - 
C. - 
D. 
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Solve the problem.Find the nth term of the following geometric sequence:1, - 
, 
, . . .
A. 
B. 
C. 
D. 
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Calculate the number of distinguishable strings that can be formed with the stated letters.3 c's and 8 d's
A. 165 B. 11 C. 990 D. 24
Mathematics