Answer: 23
Step-by-step explanation:
Answer:
the best equation would be A-99=n
Step-by-step explanation:
Answer:
(1)
Replacing the info given we got:
Step-by-step explanation:
Information given
represent the sample mean
represent the sample standard deviation
sample size
represent the value to verify
represent the significance level
t would represent the statistic
represent the p value
Hypothesis to test
We want to test if the true mean is higher than 9.33, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
The statistic is given by:
(1)
Replacing the info given we got:
3 and 2/9. You just multiply 9 by 3 to get 27 and put the remaining 2 over 9