Don't know if it's right, but do let me know! use percentage to visualise your workings. :)
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:
3^3 and 36^1
Step-by-step explanation:
3x3x3x3 is multiplying that 4 times so it is to the power of 4
36 is just once so it is to the power of one
Answer:
N = 250
Step-by-step explanation:
-17 +
= 33
+17 +17
= 50
50 x 5 = 250
n = 250