A researcher wished to determine if adults in Las Vegas gotless than an average of 8 hours of sleepper day.A survey was conducted and results from 2000 adults in Las Vegas revealed their average sleep time was 7.5 hours with a standard deviation of 1 hour.Determine if Las Vegas adults get significantly less than 8 hours of sleep per day.

• The research hypothesis would be
• The dependent variable would be
• The null hypothesis would be
• The alternate hypothesis would be
• The value for the statistic is
• The p-value is
• We will reject the null hypothesis for this problem.
• We will conclude from this problem