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Save Submit Assignment for Grading ins & Question 2 of2 Hint() Check My Work (No more tries available) The results of a national survey showed
Save Submit Assignment for Grading ins & Question 2 of2 Hint() Check My Work (No more tries available) The results of a national survey showed that on average, adults sleep 6,7 hours per night. Suppose that the standard deviation is 1. I hours and that the number of hours of sleep follows a bell-shaped distribution. If needed, round your answers to two decimal digits. If your anwer is negative use "minus sign" (a) Use the empirical rule to calculate the percentage of individuals who sleep between 4.5 and 8.9 hours per day. Enter your answer as a percentage (b) What is the z-value for an adult who sleeps A hours per right? (c) What in the 2-value for an adult who sleeps 6 hours per right? Faretal Check My Work (No more trim andback
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