[填空题]
The probability that a + nw b0+zzlmsi0z ,1ycsoccer team scores inhj6b-gx- 0tvw the first half is 0.6 . If the team scores in the first half, the probability that it will score in the second half is 0.3 . If the team does not score in the first half, the probability it will not score in the secondb-hjwt6-x vg0 half is 0.2 .
1. Using the information given, complete the following tree diagram.
2.Calculate the probability that the team will score in the second half.
