a. Using a 98% confidence interval, what is the true population proportion p of individuals who would join the program? 50.03% - 67.97% 50.90% - 67.10% 52.18% - 65.82% none of these b. Using a 98% confidence interval, what is the length of the confidence interval?
A certain barangay embarked on a QUIT SMOKING program among the constituents. A survey was made among a sample of 200 smoking individuals of the village asking who would join the program. 118 said they would join the program.
a. Using a 98% confidence interval, what is the true population proportion p of individuals who would join the program?
50.03% - 67.97%
50.90% - 67.10%
52.18% - 65.82%
none of these
b. Using a 98% confidence interval, what is the length of the confidence interval?
16.2
13.64
17.94
none of these
c. The following information is needed to determine the minimum
The degree of confidence must be stated.
The population size must be stated.
The maximum error of the estimate must be stated.
The population standard deviation must be known or be able to be estimated.
d. If the variance of the population is 20, what is the variance of the sampling distribution of the means of size 8 drawn from this population?
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