Answer:
The 95% margin of error for this estimate is 0.0274 = 2.74 percentage points.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
The margin of error is:
95% confidence level
So , z is the value of Z that has a pvalue of , so .
72% of Americans said that they had at least one credit card
This means that
Give the 95% margin of error for this estimate.
The 95% margin of error for this estimate is 0.0274 = 2.74 percentage points.
Let .
Simplifying both you get .
The set conjunction is .
So the answer is B.
Hope this helps.
Answer:
3.5/4 bags of oranges
Step-by-step explanation:
1 3/4 on Monday (1 3/4= 7/4) and half 7/4 is 3.5/4 so on tuesday it was 3.5/4 bags of oranges
So if you do 584/4 you get 146 which is the miles per hour, which is the rate of the jet. Also, the jet could fly 1,898 miles in 13 hours.
Answer:
Dark Blue
Step-by-step explanation:
I hope this helps with your question :)