An insurance company insures 100,000 cars in a certain area. The company has determined that on average, each year they will have to pay the following amounts for accidents in the area:
?
$100,000 with probability 0.0004
$50,000 with probability 0.001
$25,000 with probability 0.006
$5000 with probability 0.011
$1000 with probability 0.023
?
What is the company's expected payout per car each year?
?
A. $318.00
B. $4163.00
C. $4140.00
D. $381.60
E. $279.84
Answer: A
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Write the number in decimal notation.The average mass of a U.S. penny is five and two hundred fifty-seven thousandths grams.
A. 5.000257 g B. 5.00257 g C. 5.0257 g D. 5.257 g
Multiply and express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
Solve the problem. Round your answer to the nearest cent.An investor deposits $49,000 at 5% interest compounded annually. Two years after she makes the first deposit, she deposits another $14,000, also at 5% compounded annually. What total amount will she have four years after her first deposit?
A. $74,259.81 B. $75,766.56 C. $74,994.81 D. $76,576.89