what is the probability that either one of them oversleeps

Section B (60Marks) 13. Raymond and Bridget are happily married. They both battle with waking up in the morning to get to work on time. The probability that Bridget oversleeps is 0.32 and the probability that Raymond oversleeps is 0.54. Raymond oversleeps 18% of the time given that Bridget overslept. Bridget oversleeping in the morning influences whether Raymond oversleeps. The probability that either one of them oversleeps (rounded off to four decimals) is: (5) 2) 0.0576 b) 0.1728 c) 0.8024 d) 0.6872