The amount of jen's monthly phone bill is normally distributed with a mean of $55 and a standard deviation of $12. what percentage of her phone bills are between $19 and $91?

Your assessment tool contains rich data about child progress in language and literacy but no details to explain the differences between children. you decide to: a. replace the tool with another b. analyze the data using factors such as language, ability, and participation rates c. review your anecdotal notations regarding language and literacy development d. talk with families about what they are seeing at home

Which of the following is a problem for the production of public goods?

China's new 5 percent tax on disposable wooden chopsticks, reflecting concerns about deforestation, has been praised by environmentalists. the move is hitting hard at the japanese, who consume 25 billion set of wooden chopsticks annually. almost all of the chopsticks used in japan come from china. the reuirements for chinese manufacturers of wooden chopsticks to pay the 5 percent tax is a factor in their external environment.