Events A and B are mutually exclusive. Suppose event A occurs with probability 0.23 and event B occurs with probability 0.21. a. Compute the probability that A does not occur or B does not occur (or both).
b. Compute the probability that either B occurs without A occurring or A and B both occur.

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.