The answer is 68
hope this helps
Since we are given that the student has a brand Y phone, they are one of a sample of only 580 students. Since 80 of those students also own a brand X (they own both) the probability that the random student is one of those is 50/580 = 5/58 = 8.62%
(1.5,0) ? I'm not sure...
Is there a second equation?
Answer:
Please see the attached file for the complete answer.
Step-by-step explanation: