Answer:
Option D) 340
Step-by-step explanation:
We are given the following in the question:
Alpha, α = 0.05
Population standard deviation, σ = $47
Margin of error = 5
95% Confidence Interval:
Putting the values, we get,
Thus, the correct answer is
Option D) 340
Answer: -8 and -4
This is something you do through trial and error. Making a list or a table like shown below might help.
hey friend it is Observational study because it says that her records hourly temperature over the course of several years in order to make a decision(variations) or to analyse his experiments. ;)
Maybe write it down, like how you see other math problems.
And then solve it!
:D