Answer:
The lower bound for a 90% confidence interval is 0.2033.
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:
90% confidence level
So 
, z is the value of Z that has a pvalue of 
, so 
.
The lower limit of this interval is:
The lower bound for a 90% confidence interval is 0.2033.
Answer:
C
Step-by-step explanation:
A + 5 =
(5a + 25)
First, simplify
to
/ Your problem should look like:
Second, multiply both sides by 5. / Your problem should look like:
Third, expand to get rid of parenthesis. / Your problem should look like:
Fourth, both sides are equal, resulting it having infinite solutions.
Answer:
infinite solutions
Answer: 39
Step-by-step explanation:
30-8=22
22/2=11
11+2=13
13 times three is (39)
0= 0
both sides are equal
Step-by-step explanation:
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