Asked by Melissa Ferreras on May 26, 2024
Verified
The manager of a department store wants to determine the proportion of people who use the store's credit cards for their purchases.What sample size should he take so that, at 95% confidence, the error will not be more than 6%?
Sample Size
The number of observations or individuals in a subset collected from a population for the purposes of statistical analysis.
Confidence
The degree of certainty or trust in a particular outcome or result, often expressed in terms of probability.
- Learn the process of constructing a confidence interval related to a population proportion.
- Comprehend how sample size affects confidence level and margin of error.
Verified Answer
LR
Learning Objectives
- Learn the process of constructing a confidence interval related to a population proportion.
- Comprehend how sample size affects confidence level and margin of error.
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