Question:
Participants of a competition must obtain a certain score in the first round to qualify for the second round. The table shows the number of participants for each score in the first round. The lowest score is 0. There were 150 participants in the first round.
(a) 30% of the participants did not qualify for the second round. From the table, what was the lowest score of a participant who qualified for the second round?
(b) What percentage of the participants obtained a score of ‘8 or more’? Draw the bar for the percentage of participants who obtained a score of ‘8 or more’ in the graph above.
Solution:
![P6 / Maris Stella / 2020 / SA2 Prelims / Paper 1 – Q17 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/12/P6_SA2_2020_Maris_Stella_Paper1_Q17-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 2 – Q16 [5 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper2_Q16-Qns.jpg?resize=400%2C260&ssl=1)