# Question: In 2011 the mean property crime rate per 100 000 people

In 2011, the mean property crime rate (per 100,000 people) for the 10 states in the Northeast was 2400; the standard deviation was 400. Assume the distribution of property crime rates is approximately unimodal and symmetric.

a. Approximately what percentage of northeastern states would you expect to have property crime rates between 1600 and 3200?

b. Approximately what percentage of northeastern states would you expect to have property crime rates between 2000 and 2800?

c. If someone guessed that the property crime rate in one northeastern state was 400, would you agree that number was consistent with this data set?

a. Approximately what percentage of northeastern states would you expect to have property crime rates between 1600 and 3200?

b. Approximately what percentage of northeastern states would you expect to have property crime rates between 2000 and 2800?

c. If someone guessed that the property crime rate in one northeastern state was 400, would you agree that number was consistent with this data set?

## Answer to relevant Questions

The dotplot shows heights of college women; the mean is 64 inches (5 feet 4 inches), and the standard deviation is 3 inches. a. What is the z-score for a height of 58 inches (4 feet 10 inches)? b. What is the height of a ...Babies born after 40 weeks gestation have a mean length of 52.2 centimeters (about 20.6 inches). Babies born one month early have a mean length of 47.4 cm. Assume both standard deviations are 2.5 cm and the distributions are ...Find the median and interquartile range of the top seven Dreamworks animated movies; refer to Exercise 3.42 for the data. In exercise, the ten top-grossing DreamWorks animated movies for the U.S. box office up to July 2013 ...A StatCrunch survey asked people what maximum income tax rate (as a percentage of income) should be allowed and whether they were Republican or Democrat. Compare the two political parties. Compare shapes and appropriate ...The data show the percentage of residents with bachelor’s degrees in the 50 states and Washington, DC. Make a boxplot of the data. You may either make a boxplot with technology using the data at this text’s website or ...Post your question