At Eastern 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) 0.66
B) 0.54
C) 0.44
D) 0.34

Question

Quizplus · Accepted Answer

To find the probability that a randomly selected student is a business major, calculate the probability for each area and sum them:  Suburban: 60% * 40% = 24%  Rural: 30% * 30% = 9%  Urban: 10% * 10% = 1%  Total probability = 24% + 9% + 1% = 34% or 0.34.

At Eastern University, 60% of the Students Are from Suburban