50%. If you divide 28 by 14, (14/28), you’d get 0.5. Move the decimal place two places to the right, and that’s 50% :)
Answer:
The domain of the function is all real numbers.
Step-by-step explanation:
I graphed the function on the graph below.
If this answer is correct, please make me Brainliest!
Factor out 3x
Answer: 3x(x - 5)
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:
<span>No, because postulates are assumptions. Some true, some not. So it can't be used to prove it</span>