Dissemination of Information Two hundred students attended the dedication ceremony of a new building on a college campus. The president of the traditionally female college announced a new expansion program, which included plans to make the college coeducational. The number of students who learned of the new program t hr later is given by the function

f(t) = 4000/1 + Be^kt

4000

1 + Be^kt

.

If 400 students on campus had heard about the new program 2 hrs after the ceremony, how many students had heard about the policy after 7 hr? (Round your answer to the nearest integer.)

.........students