x hits darts on a certain target with a probability of 2/3.
y hits darts on the same target with a probability of 4/7.
if both of them hit darts on the same target exclusive of each other,what
is the probability that niether of them will hit the target.
a? b? c? d 8/21 e 16/21
A is best. Others are not parallel.
The nation’s three military academies have seen a dramatic rise in applications, one fueled by a resurgence of patriotism, increasing tuition costs at private colleges, and improved recruiting by the academies.