Use the venn diagram to calculate conditional probabilities.

which conditional probabilities are correct? check all that apply.
p(d | f) =
p(e | d) =
p(d | e) =
p(f | e) =
p(e | f) =

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?