Answer:
Step-by-step explanation:
Information given
represent the sample mean for the content of active ingredient
represent the sample standard deviation for the sample
sample size
represent the value that we want to test
t would represent the statistic
represent the p value for the test
System of hypothesis
We need to conduct a hypothesis in order to check if the true mean for the active agent is at least 20 mg, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic would be:
(1)
Now we can calculate the statistic:
P value
The degrees of freedom are calculated like this:
Since is a one left tailed test the p value would be:
The answer is : B
-Hope this helps, even though you asked for no explanation.
Step-by-step explanation:
distance between (12.-7) and (-3, -7)
=12+3
=15 units
There are 5280 feet in a mile, if thats what youre asking..?
idk if this was helpful or not, sorry :/
Answer:
Center: (4,-13)
Radius: 17
Step-by-step explanation:
I guess you do not need an explanation, so I gave you only an answer.
