A) Express the confidence interval (0.013, 0.089) in the form of ^p-E < p < ^p+E
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Mathematics, 28.02.2020 03:53 cordobamariana07
A) Express the confidence interval (0.013, 0.089) in the form of ^p-E < p < ^p+E
? < p < ?
B) Among the 34,220 people who responded, 68% answered "yes". Use the sample data to construct a 95% confidence interval estimate for the proportion of the population of all people who would respond "yes" to that question. Does the confidence interval provide a good estimate of the population proportion?
C) Many states are carefully considering steps that would help them collect sales taxes on items purchases through the internet. How many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet? Assume that we want to be 99% confident that the sample percentage is within three percentage points of the true population percentage for all sales transactions.
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