Answer:
<em>if you use a fraction calculator</em>
Step-by-step explanation:
and StartFraction 5 Over 8 EndFraction
divided by One-fourth equals to 2 and one half
Thus the answer is D or 2 and one half
Answer:
97% confidence interval for the survey is between a lower limit of 0.45 and an upper limit of 0.67
Step-by-step explanation:
Confidence Interval is given by the mean + or - error margin
The lower limit of the confidence interval is found by subtracting the error margin from the mean.
The upper limit is obtained by adding the error margin to the mean.
The interpretation is that the mean is between 0.45 and 0.67
