Question 435657
I will assume that Angela rides the buys in going to school AND coming home from school.  The probability the bus comes early is 0.28, and the probability that the bus comes on time or later is 0.72.
Then the probability that she misses the bus (i.e., the bus is early) at least once in a 5 day school week is {{{1- (0.72)^10 = 0.96256}}}, to 5 decimal places.