Question
A population proportion is 0.3. A sample of size 250 will be taken and the sample proportion will be used to estimate the population proportion.
A population proportion is 0.3. A sample of size 250 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. Do not round intermediate calculations.
a. What is the probability that the sample proportion will be within +-0.3 of the population proportion?
b. What is the probability that the sample proportion will be within +-0.5 of the population proportion?
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Internal Auditing Basics Video Learning Guide
Authors: Charles A. Cianfrani & John E. West, James P. Gildersleeve
1st Edition
1891578251, 978-1891578250
