Answer:
The 95% confidence interval estimate for the true proportion of adults residents of this city who have cell phones is (0.81, 0.874).
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 .
For this problem, we have that:
95% confidence level
So , z is the value of Z that has a pvalue of , so .
The lower limit of this interval is:
The upper limit of this interval is:
The 95% confidence interval estimate for the true proportion of adults residents of this city who have cell phones is (0.81, 0.874).
17% of (700 centimeters) =<span>1.19 meters</span>
Answer:
The answer is B
Step-by-step explanation:
hope it helps :3
Answer:
Step-by-step explanation:
Total students = 28 + 25 = 53
So, 53 cubes should be made
Number of blocks needed to make 1 cube = 512
Number of blocks needed to make 53 cubes = 512 * 53
= 27136
Answer:
96
Step-by-step explanation:
24+20+24+20+4+4=96