Answer:
a) 0.23
b) The 95% confidence interval for the population proportion is (0.1717, 0.2883).
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 
.
Point estimate
The point estimate is:
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 for the population proportion is (0.1717, 0.2883).
Two solutions were found :<span><span> n = -5/2 = -2.500
</span><span> n = 13/2 = 6.500</span></span>
Answer:
b = 7
Step-by-step explanation:
4b - 4 = 3b + 3
4b - 3b = 3 + 4
b = 7
If a person jumps 6 feet 5 inches than they are jumping 77 inches. You find this because there are 12 inches in a foot, so you multiply 12 times 6 and get 72. You than add 72 plus 5 and get 77.
Your answer is: 77 inches
Have an amazing day!
You would multiply a single digit from the second number by every number in the first and repeat the process while adding a zero at the end of the next number.
So you would do the equation 528*9 = 4,752 then for the next one your equation would look something like:
528
x002
-------
10,560
The zero at the end being added on. After you do this with all three numbers you get 158400, 10560, and 4752. Add them together and get 173712 and there is your answer: 173,712
