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. 0.7316
B. 0.0004
C. 0.0011
D. 0.2684
Answer: D
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Find the derivative.y = 9 sin 5x cos x
A. 9 sin 5x sin x + 45 cos x cos 5x B. sin 5x sin x + 45 cos x cos 5x C. -9 sin 5x sin x + 45 cos x cos 5x D. -9 sin 5x sin x + cos x cos 5x
Solve the problem.A person plans to invest $10,000 in a CD at 6% annual interest and in a mutual fund that has a 3-year average annual interest of 11%. Let x and y represent the money (in dollars) invested in the CD and the mutual fund, respectively. How much money should be invested in each account to earn a total of $800 in one year?
A. $6000 invested at 6%; $4000 invested at 11% B. $4000 invested at 6%; $6000 invested at 11% C. $7000 invested at 6%; $3000 invested at 11% D. $5000 invested at 6%; $5000 invested at 11%
____ is the organizational function most critical to successful internal innovation.
A. Research and development B. Marketing C. Engineering D. Accounting
Subtract.19.3 - 16.81
A. 2.59 B. 2.49 C. 37.11 D. 36.11