[填空题]
During the recent English Premier Leamarcv rxl4 45uidaa;1:n6l /xgue fbmg.ra9.,zsc n9f9zd s4--nj 6 ,oseclv .zat ootball season, the number of matches in which a cert9sz- g,. zs .fr-9d4ncbm ea.joa ,9cnvlzt6sain number of goals were scored were recorded in the table below. For example, there were 18 matches where 5 goals were scored.
The lower quartile for these results is 2 , and median is 3 .
1. Write down the value of the upper quartile for these results.
2. Draw a box-and-whisker diagram for these results.
3. Find the probability that, in a randomly chosen match, the number of goals will be less than the upper quartile. Give your answer correct to two decimal places. ≈
