Determine the probability using a probability tree.A bent coin lands tails up with a probability 0.7. If the coin is flipped three times, determine P(TTT).
A. 0.343
B. 0.49
C. 2.1
D. 0.657
Answer: A
Mathematics
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Evaluate the integral.
A. 576
B. 
C. 
D. 
Mathematics
Solve.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 10 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 50 miles B. 30 miles C. 25 miles D. 40 miles
Mathematics
Find the interval of convergence of the series.
A. 0 ? x < 18 B. x < 10 C. 8 ? x < 10 D. 8 < x < 10
Mathematics
Solve the problem. Express the answer in scientific notation to two decimals.The national debt of a country is $28,350,000,000 and the population is 3,150,000. What is the debt per person? Write answer without exponents.
A. $90,000 B. $900 C. $9000 D. $89,302,500
Mathematics