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categoryإحصاء schoolبكالوريوس event_available2026-07-13

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Homework-Chapter 3. Question #2 Student name The amount of time it takes to recover physiologically from a certain kind of sudden noise is found to be normally distributed with a mean of 80 seconds and a standard deviation of 10 seconds. Using the 50%-34% -14% figure (given here), compute the following: 34% 34% 14% 149 (A) Approximate percentages for the recovery time. (Hint: Compute Z scores first, then the percentage). Put details of your computations on this sheet. Round to 2 decimals. -Question (a): above 100 -Question (b): below 100 -Question (c): above 80 -Question (d): below 80 -Question (e): above 60) -Question (f): below 60 2

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