'Randomly selected person sleeps' presentation slideshows

ISDS 361 What is the probabilityFocus Dreams/tutorialoutletdotcom

FOR MORE CLASSES VISIT www.tutorialoutlet.com According to the Sleep Foundation, the average night's sleep is 6.8 hours (Fortune, March 20, 2006). Assume the standard deviation is .5 hours and that the probability distribution is normal. 1. What is the probability that a randomly selected person sleeps more than 8 hours (to 4 decimals)? 2. 3. 4. What is the probability that a randomly selected person sleeps 6 hours or less (to 4 decimals)? 5.

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