Calvin’s credit card computes finance charges using the daily balance method. His card has a billing cycle of 30 days and an APR of 14.75%. The following table details Calvin’s transactions in the month of September. Date
Amount ($)
Transaction
9/1
716.54
Beginning balance
9/7
84.94
Purchase
9/12
15.69
Purchase
9/20
200.00
Payment

What will Calvin’s starting balance be next month?
a.
$617.17
b.
$624.74
c.
$625.91
d.
$623.52

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)