Question
1) A normal distribution for weights of filled cereal boxes has a mean of 18.11 ounces and a standard deviation of 0.1652 ounces. What is
1) A normal distribution for weights of filled cereal boxes has a mean of 18.11 ounces and a standard deviation of 0.1652 ounces. What is the data value that has a z-score of -2.40? Round to the nearest hundredth
2)A normal distribution has a mean of 69 and a standard deviation of 15. What is the data value that has a z-score of 1.89? Round to the nearest hundredth
3) Use your TI83 (or Excel): A normally distributed population has a mean of 97 and a standard deviation of 12. Determine the value of the first quartile. Round to the nearest tenth
4)Use your TI83 (or Excel): A normally distributed population has a mean of 123 and a standard deviation of 5. Determine the value of the third quartile. Round to the nearest tenth
5)Use your TI83 (or Excel): A normally distributed population of adult American men heights has a mean of 59.2 inches and a standard deviation of 3.13 inches. Determine the height at the 99th percentile. Round to the nearest tenth
6) Use your TI83 (or Excel): A normally distributed population has a mean of 98.92 and a standard deviation of 0.41. Determine the value of the 80th percentile. Round to the nearest hundredth
7)Use your TI83 (or Excel): A normally distributed population has a mean of 98.50 and a standard deviation of 0.24. Determine the value of the 20th percentile. Round to the nearest hundredth
8) Use your TI83 (or Excel): A normally distributed population has a mean of 15.5 and a standard deviation of 0.16. Determine the value of the 5th percentile. Round to the nearest tenth.
Please answer all questions
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