Answer:
The number is
students
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is 
The sample size is n = 2000
percentage of the would you expect to have a score between 250 and 305 is mathematically represented as

Generally

So


From the z table the value of 
and 


The percentage is 
The number of students that will get this score is


Answer:
20 stickers
Step-by-step explanation:
sine she gave 20 to core one and wants to give the same amount to core two, she'd just give both core one and two 20 and then be left with 10
Do you mean the value of y? there is no q in these equations.
Answer:
Triangle and square!
Step-by-step explanation:
Let me know if im wrong and I will fix it.