Data released by the Department of Education regarding the rate (percentage) of ninth-grade students who don't graduate showed the following results for the 50 states.
13 states had an increase in the dropout rate during the past 2 yr.
18 states had a dropout rate of at least 30% during the past 2 yr.
25 states had an increase in the dropout rate or a dropout rate of at least 30% during the past 2 yr.

(a) How many states had both a dropout rate of at least 30% and an increase in the dropout rate over the 2-yr period?

(b) How many states had a dropout rate that was less than 30

Question

Data released by the Department of Education regarding the rate (percentage) of ninth-grade students who don't graduate showed the following results for the 50 states.
13 states had an increase in the dropout rate during the past 2 yr.
18 states had a dropout rate of at least 30% during the past 2 yr.
25 states had an increase in the dropout rate or a dropout rate of at least 30% during the past 2 yr.

(a) How many states had both a dropout rate of at least 30% and an increase in the dropout rate over the 2-yr period?
  


(b) How many states had a dropout rate that was less than 30

anonymous · Answer

(b) How many states had a dropout rate that was less than 30% but that had increased over the 2-yr period?