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
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1.) the correct symbol would be greater than (>)
Im not sure what the statement would be sorry.
2.) the 1st and the 3rd are the only two that are correct.
Hope This Helps!
~Cupcake
Answer:
R=5
H=12
D=10
Step-by-step explanation:
Answer: Read attachment.
Step-by-step explanation: Attached below is my work. Hope it helps!