24. Wi n, is assoclated with large reshsetlons in the amiunt of time spent slecp ng. The eyed, surface foerms sleep about sxo Zx. The evolation of blind cove fores of the fish s hours) nules per 24-hour day ca The accompanying graph shows the frequency fistribution of sleep times per 24-hours for 23 blind indiiduals from a single cuve population Duboué et al: 201 1 The sample mean is 1294 and the standard deviation is 147.2. Assume that the sample is a random sample. 0 100 200 300400 500 Time sleeping (min) a. Using the formula in Section 11.7, calculate a 95% confidence interval for mean sleep time in the cave population.
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