Solve the problem.The time between major earthquakes in the Alaska panhandle region can be modeled with an exponential distribution having a mean of 620 days. Find the probability that the time between a major earthquake and the next one is less than 300 days.
A. 0.0006
B. 0.6164
C. 0.0010
D. 0.3836
Answer: D
Mathematics
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Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (5, 4); perpendicular to the y-axis
A. x = 5 B. y = 4 C. x = 4 D. y = 5
Mathematics
Solve the equation.
+ 5 = x
A. {9, 18} B. {2, 9} C. {9} D. {2}
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Graph.f(x) = 2x2 - 2x - 6
A. 
B. 
C. 
D. 
Mathematics
Determine the domain and the range of the function.f(x) = -x2 + 8x
A. domain: {x|x? -4} range: {y|y ? 16} B. domain: all real numbers range: {y|y ? -16} C. domain: {x|x ? 4} range: {y|y ? 16} D. domain: all real numbers range: {y|y ? 16}
Mathematics