Answer:
Step-by-step explanation:
Answer:
6. float, because the density is less than the density of water
7. sink, because the density is greater than the density of water
Step-by-step explanation:
Answer:
answer is here
Step-by-step explanation:
https://www.mathpapa.com/algebra-calculator.html
Ah well this would look like 2(30) + 30 = 90 aka 2L + W = 90
Given the sample mean is
and population standard deviation is
.
Now the standard deviation of the sample mean is 
The
confidence interval for population mean is
.
Here 
The 90% CI for population mean is
