Answer:
The interpretation is that we are 90% sure that the true average salary of the district is in this interval.
Step-by-step explanation:
x% confidence interval:
A confidence interval is built from a sample, has bounds a and b, and has a confidence level of x%. It means that we are x% confident that the population mean is between a and b.
In this question:
The 90% confidence interval for the average salary of the district is [41500,49750].
This means that we are 90% sure that the true average salary of the district is in this interval.
Answer:
A. because 3.7 ×2 is 7.4. so the full answer would be 7.4 ×10^4
Answer:
Hope this helps I'm not sure if its correct though, it must be correct anyway. So yea.
Both gyms charge the same monthly rate and the same membership fee
Answer:
I believe its 17, this is a 90 degree angle, so 90-73=17
Step-by-step explanation:
