Find the indicated probability.A fair die is rolled and a coin is flipped. What is the probability that a 2 is rolled or a head shows?
A. 
B. 
C. 
D. 
Answer: C
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Solve.Heidi purchased a used car. She made a down payment of $2436. This was 29% of the purchase price. What was the price of the used car?
A. $840 B. $243,600 C. $8400 D. $84,000
Solve the problem.The charcoal from a tree killed in a volcanic eruption contained 64.9% of the 
found in living matter. How old is the tree, to the nearest year? Use 
for the half-life of 
A. 1708 years B. 3555 years C. 5700 years D. 2464 years
Express the vector in the form ai + bj + ck.9u - 5v if u = 
and v = 
A. v = 9i + 9j - 5k B. v = -6i + 9j - 5k C. v = 24i + 9j - 5k D. v = -6i + 14j - 5k
Which statement is true about a 95% confidence interval for the mean?
a. There is a 95% chance the confidence interval includes the sample mean b. 95% of the data are included in the confidence interval c. A wider confidence interval means less confidence d. None of the above