A population proportion is 0.3. A sample of size 100 will be taken and the sample...
A population proportion is 0.3. A sample of size 100 will be taken and the sample proportion will be used to estimate the population proportion. Use z-table. Round your answers to four decimal places.
a. What is the probability that the sample proportion will be within ±0.03 of the population proportion?
b. What is the probability that the sample proportion will be within ±0.05 of the population proportion?
Homework Answers
Given that, population proportion = p = 0.3
sample size = n = 100
a) We want to find, 
Therefore, required probability is 0.4844
b) We want to find, 
Therefore, required probability is 0.7242
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