Answer:
8 and -8
Step-by-step explanation:
cause thats how math work
Add 9 to both sides to get the x-value alone
x-9=-5
x=4
That no matter what if you feel good about yourself you do better at what your doing. Hope I helped!
Answer:6.5 centimeters
Step-by-step explanation:10 kilo + 10 kilo + 5 kilo
Should give you 6.5 centimeters if 10 is 3 centimeters
Answer:
The 95% confidence interval for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).
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 for the true proportion of all voters in the state who favor approval is (0.4384, 0.5050).