Answer:
Step-by-step explanation:
information given
represent the sample mean
represent the population standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
z would represent the statistic
represent the p value for the test
Hypothesis to test
We want to test if the true mean is less than 12, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
We can replace in formula (1) the info given like this:
What do you mean what are the solutions to?
I don’t understand the question?
Check the picture below.
make sure your calculator is in Degree mode.
Answer:
addition property
Step-by-step explanation:
See attached image.
Answer: I am really good at math so if you need help just say so
