Answer: t= -1.60
Explanation:
Let 
be the population mean weight of pigs.
As per given , we have
Sample size : n= 16
Sample mean =
Sample standard deviation : 
<em>Since the population standard deviation is not known so the test is a</em><em> t-test.</em>
Test statistic for population mean : 
(Substitute all the values.)
Hence, the value of the test statistic needed to test the null hypothesis : t= -1.60
Answer:
Burning coal
Explanation:
The emissions of carbon dioxide would reduce because then they will consume less gasoline. Instead of coal burning, this would reduce the overall concentrations of greenhouse gas emissions and generate energy from wind.
Some molecule can pass through but others cannot because they are too large to pass through. This is also called selective permeability.
Answer:
You have the exact same types of chemicals in your body as when you were younger.
Explanation:
According to source. remain outside the danger (hot) zone is right.
