Answer:
Step-by-step explanation:
The confidence interval for the population mean x can be calculated as:
Where x' is the sample mean, s is the population standard deviation, n is the sample size and is the z-score that let a proportion of on the right tail.
is calculated as: 100%-99%=1%
So,
Finally, replacing the values of x' by 308, s by 17, n by 15 and by 2.576, we get that the confidence interval is:
Debit is where you have to pay extra when you use it. Credit doesn't!!!!!
Answer: -11 degrees Fahrenheit
Step-by-step explanation:
Answer:
352
Step-by-step explanation:
Simple area problem just do 16x22 sorry for poor explanation
Answer:
flip it please
Step-by-step explanation:
d for 1 and a for 2