At an Eastern State's University,60% of the Students Are from Suburban

Multiple Choice

At an eastern state's university,60% of the students are from suburban areas,30% are from rural areas,and 10% are from urban areas.Of the students from the suburban areas,60% are nonbusiness majors.Of the students from the rural areas,70% are nonbusiness majors.Of the students from the urban areas,90% are nonbusiness majors.
-The probability that a randomly selected student is a business major is ________.

A) 0.54
B) 0.44
C) 0.34
D) 0.66