Answer:
-2/3 Give brainliest
Step-by-step explanation:
11% the answer is that because 32 +18= 50 then 26+13=39 add 50 and 39 it = 89 then left is 11 so 11%
Using the formula for a z-distribution confidence interval of proportions, he also needs to know the confidence level.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:
In which:
- is the sample proportion.
Of these 3 itens, the problem states that he knows the sample size and the sample proportion, hence he needs to know z to determine the confidence interval. z depends on the confidence level, which is the remaining parameter.
More can be learned about the z-distribution at brainly.com/question/25890103
#SPJ1