Asked by Melissa Ferreras on May 26, 2024

verifed

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.
verifed

Verified Answer

LR
Lauren ReynoldsMay 28, 2024
Final Answer :
267