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%
+2.15.
Explanation: subtract 6.3 by 4.15 = 2.15 so you add 2.15
The answer to this is 3 2/3
They think this because younger drivers are less experienced.
Answer:
w=63
Step-by-step explanation:
1. Multiply both sides by 2
2. square both sides
At this point, you should have this:
w+1=64
Subtract 1 from both sides.
w=63
HTH, good luck :)