For a randomly selected day, the probability that a visitor to a certain pond will see at least one swan is 0.35The probability that a visitor to that pond on a randomly selected day will see at least one heron is 0.2.Furthermore, seeing a swan and seeing a heron are independent of each other.
【OG24-421题】Based on the information provided, select Both swan and heron for the probability that a visitor to the pondwill see both at least one swan and at least one heron on any given day, and select Neither swan nor heron forthe probability that a visitor to the pond will see neither a swan nor a heron on any given day. Make onlytwo selections, one in each column.