Karen's city took a survey about a plan for a new park. Of the people surveyed, 380 liked the plan for the park and 120 did not.
1 answer:
Answer:
76
Step-by-step explanation:
Survey response
Those who liked the proposed plan=380 persons
Those who didn't like the proposed plan=120 persons
We assume that the these are the only people who participated, with those who never took sides being zero
Total number of people surveyed=380 persons+120 persons=500 persons
Percentage of those who liked =
Therefore, the percentage that liked the plan is 76%
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Answer:
Step-by-step explanation:
Let p be the population proportion of readers who would like more coverage of local news.
As per given , we have
sample size :=1600
sample proportion :
The confidence interval for population proportion is given by :-
From z-table ,
For 99% confidence interval the z-value is 2.576.
Substitute all the values in the above formula , we get
The 99% confidence interval for the proportion of readers who would like more coverage of local news as
Hence, the 99% confidence interval for the proportion of readers who would like more coverage of local news is .