Answer: the percent of the students at this university are foreign = 30%
Step-by-step explanation:
Given: Probability that college students are foreign students who also smoke: P(S|F)=0.12
Probability that foreign college students smoke P(S∩F)=0.4
The probability that the students at this university are foreign :
[By conditional probability formula]

Hence, the percent of the students at this university are foreign = 30%
Answer:
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Step-by-step explanation:
Answer:
x+1
Step-by-step explanation:
x * 2 -3 - x + 4 =
2x - 3 - x + 4
x - 3+4 = x+1
Id say A.96/2 It makes the most sense for the expression of the ratio