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The adult length of a certain species of python is normally distributed with a mean of...

The adult length of a certain species of python is normally distributed with a mean of 12.4 feet and a standard deviation of 4 feet.
1) Find the probability that a randomly selected python is between 14 and 16.8 feet long. Round to 4 decimal places.
2) Find the probability that a randomly selected python is less than 13 feet long. Round to 4 decimal places.
3) Only 5% of all pythons are longer than __ feet. Round to 2 decimal places.
Math   Statistics-And-Probability   
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