You are the operation manager for an airline and you are considering a higher fare level for passengers inside soats. How many randomly selected air passengers must you survey that you want to be 99% confident that the sample percentage is within 2.5 percentage points of the true population percentage. Complete parts (a) and (b) below.

Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)

Combine the information in the problem and the chart using the average balance method to solve the problem.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.