Scenario: The hemoglobin (a substance in the blood that carries oxygen) level (gm/dL) in Swedish men aged 35-50 follows an approximately normal distribution. The population mean is 15.5 gm/dL and the standard deviation is 1.2 gm/dL.

1. What percent of Swedish men have a hemoglobin that is below 13gm/dL? Round your answer to 2 decimal places (eg XX.xx%)
2. What percent of Swedish men have a hemoglobin that is at or below 17gm/dL? Round your answer to 2 decimal places.
3. What percent of Swedish men have a hemoglobin that is above 20gm/dL? Round your answer to 2 decimal places.
4. What percent of Swedish men have a hemoglobin that is between 12.1 and 17.4? Round your answer to 2 decimal places.
5. The lowest 25% of hemoglobin levels in Swedish men is at or below what number? Round your answer to 1 decimal place.
6. The highest 25%of hemoglobin levels in Swedish men is at or above what number? Round your answer to 1 decimal place.
7. The highest 10%of hemoglobin levels in Swedish men is at or above what number? Round your answer to 1 decimal place.
8. The lowest 5%of hemoglobin levels in Swedish men is at or below what number? Round your answer to 1 decimal place.
9. What is the IQR for the hemoglobin level in Swedish men?
10. The middle 99% of all hemoglobin levels are between what two values?Round each answer to 1 decimal place.