9 treats !
If you're not sure subtract 0.40 cents from 4.60 until u can't subtract anymore
It'll be 2.Right triangle.
We need to see the exercise 3 first
11n+12- combined like terms
Answer:
1329.85≤μ≤1330.14
Step-by-step explanation:
z score for 99% confidence interval
from the z table we can find that the score for 99% confidence is 2.58
formula
z=
}[/tex]}[/tex]
where
x-sample mean
μ-population mean
σ-population standard deviation
n-sample size
2.58=
}[/tex]}[/tex]
1330-2.58×24÷442≤μ≤1330+2.58×24÷442
1329.85≤μ≤1330.14