Answer:
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : Sample size : , which is a large sample , so we apply z-test .
Sample mean :
Standard deviation :
Significance level :
Critical value :
Now, a confidence interval at the 95% level of confidence will be :-
Answer: 203
Step-by-step explanation:
to find the area, you have to multiply the length of the sides together. 29x7 = 203
Answer:
i wouldsay b
Step-by-step explanation:
If you multiply them all you get 3.0519273e+15 as your answer.
Answer:
Step-by-step explanation:
Temperature is the abiotic factor that is changing the ecosystem. Both the top layer temperature and the overall temperature of the lake are increasing. The warmer temperatures have delayed the yearly springtime mixing of warm and cold water in the lake.