Agent 006 is hired to test the destructiveness of the government's new YI0489 missile. She tests 80 rockets, and by assuming normality, she calculates a 95% confidence interval for their destructive force as (371.22, 549.26). Required:
What was the average of Agent 006's 80 rockets?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?