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10 Nov 2018
9. A survey at IU reveals that 20% of the freshmen, 40% of the sopho- mores, 60% of the juniors, and 80% of the seniors have made a decision about thier future carreer. Given that 30% of all students are freshmen, 30% are sophomores, 20% are juniors, and 20% are se- niors, what percentage of the whole student population have not made up their mind about their future carrer? (A) 46% (B) 50% (C) 54% (D) 67% (E) not enough information given (F) none of the above
9. A survey at IU reveals that 20% of the freshmen, 40% of the sopho- mores, 60% of the juniors, and 80% of the seniors have made a decision about thier future carreer. Given that 30% of all students are freshmen, 30% are sophomores, 20% are juniors, and 20% are se- niors, what percentage of the whole student population have not made up their mind about their future carrer? (A) 46% (B) 50% (C) 54% (D) 67% (E) not enough information given (F) none of the above
Jean KeelingLv2
12 Nov 2018