Solve the problem.The time between major earthquakes in the Alaska panhandle region is a random variable with probability density function 
for x in [0, ?), where t is measured in days. Find the probability that the time between a major earthquake and the next one is less than 200 days.
A. 0.0004
B. 0.0011
C. 0.2485
D. 0.7515
Answer: C
Mathematics
You might also like to view...
Find the difference.- 
- 
A. - 
B. - 
C. 
D. 
Mathematics
Find the length of the indicated portion of the trajectory.r(t) = (etcos t)i + (etsin t)j + 7etk, -ln 2 ? t ? 0
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = -3 cos x
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line described.A line parallel to the line y = 14.
A. 0
B. 
C. undefined
D. -14
Mathematics