[填空题]
Mark wants to meet hijizo 8jv.2rxu7pjw) 2 s 4ba1.d*j7t9ljn wqja friend Jeremy after School to ask him some questions about their Chemistry homework. On a typical school afternoon, Jeremy either goes to the park for some exercise or goes to the libwj1* n9q labjd.at4j7 rary to complete his homework.
Jeremy has previously told Mark that he goes to the park two out of every five afternoons each school week.
If Jeremy goes to the park, the probability that Mark will meet Jeremy in the park is 0.2 . If Jeremy goes to the library, the probability that Mark will meet Jeremy in the library is 0.7 .
These scenarios are represented on the tree diagram below.
1. Complete the tree diagram.
2. Find the probability that Mark will meet Jeremy that afternoon.
