A delivery service categorizes orders as arriving early, on time, or late.
The probability an order arrives early is 0.25
The probability an order arrives on time is 0.65
Mrs. Smith places two separate orders.
Work out the probability that exactly one of the orders arrives early.
54 exam-style questions on OCR GCSE Maths Probability Trees. Each one has a worked solution and a mark scheme showing where the marks go.