Practice Quiz

FPGEE Foreign Pharmacy

Category - Clinical

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Which of the following is false concerning confidence intervals?
  1. Confidence intervals are used to indicate the reliability of an estimate.
  2. If the true value of the parameter lies outside the 95% confidence interval, then an event which had a 5% or less chance of happening has occurred.
  3. A valid confidence interval can be obtained from repeated sampling of the same or different populations.
  4. A 95% confidence interval indicates that an event can be expected to occur 1 time out of 95 tries.
Explanation
Answer: D - A 95% confidence interval indicates that an event other than the expected event is expected to occur 5 out of every 100 times or 1 out of every 20 times.
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