milly1285 milly1285

25-05-2023
Mathematics

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In a random sample of 150 observations, we found the proportion of success to be 47%.
a. Estimate with 95% confidence the population proportion of success. (3)
b. Change the sample mean to =150 and estimate with 95% confidence the population proportion of success. (3)
c. Describe the effect on the confidence interval when increasing the sample size.
n is equal to 150

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