Confused with Stats

[bree102385]

Round answers to 4 decimal places and show all work.



The weight of students booksacks at Podunk College has an approximately normal distribution with mean 20 pounds and standard deviation 6 pounds.


1. What percent of students booksacks weigh more than 10 pounds?


2, What percent of students booksacks weigh between 15 and 25 pounds?


3. Only 3 percent of students booksacks weigh more than John's. How much does his weigh?

 

[mmm4444bot]

What is your specific question, about these exercises?

Please share your thoughts, so that we can determine where to begin with you.

 

[bree102385]

How do I set the problem up? I can never figure out the correct way to set it up so I can get the correct answer.