Assume that the number of hours of sleep follows a bell-shaped distribution


Assume that the number of hours of sleep follows a bell-shaped distribution

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{Exercise 3.39 (Alqorithmicfl The results of a national survey showed that on average, adults sleep 6.9 hours per night. Suppose that the standard deviation is 1.4 hours. a. Use Chebyshev‘s theorem to calculate the percentage of individuals who sleep between 4.1 and 9.7 hours. At least ___ % b. Use Chebyshev‘s theorem to calculate the percentage of individuals who sleep between 3.9 and 9.9 hours. At least ___ % c. Assume that the number of hours of sleep follows a bell-shaped distribution. Use the empirical rule to calculate the percentage of individuals who sleep between 4.1 and 9.7 hours per day. 0/0

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