Question
Sleep Awareness Week begins in the spring with the release of the National Sleep Foundation's annual poll of U.S. sleep habits and ends with the
Sleep Awareness Week begins in the spring with the release of the National Sleep Foundation's annual poll of U.S. sleep habits and ends with the beginning of daylight savings time, when most people lose an hour of sleep. In the foundation's random sample of 1079 U.S. adults, 45% reported that they "often or always" got enough sleep during the last 7 nights.
1. Identify the parameter of interest.
2. Check if the conditions for constructing a confidence interval for p are met.
3. Calculate a 95% confidence interval.
4. Interpret the interval in context.
5. Would a 90% Confidence Interval be wider or more narrow?
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