Posted by **Math** on Wednesday, May 25, 2011 at 10:47am.

A study has shown that 20.05% of all college textbooks have a price of $80 or higher. It is known that the standard deviation of the price is $10. What is the mean price of the college textbooks? Assume the price is normally distributed.

## Answer This Question

## Related Questions

- Engineering Statistics - "A study has shown that 20% of all college textbooks ...
- final exam - a study shown that 20% of all college textbooks cost at least $70....
- Math - A local college bookstore paid a net price of $12,500 for textbooks for ...
- Stastics - The UMUC bookstore states the average textbook costs $119. A randomly...
- math statistics - The average price of a gallon of unleaded regular gasoline was...
- math statistics - please help me I've waited for hours The average price of a ...
- statistics - The average price of a gallon of unleaded regular gasoline was ...
- Satistics - **I don't want the answer, I want to know how to set the problem up ...
- statistics - according to the energy information administration (officially ...
- Stats - Recently, a price war has developed among retailers selling Brand X ...

More Related Questions