Me
3. a line up for tickets to a local concert had an average (mean) waiting time of 20 minutes with a standard deviation of 4 minutes.

a) what percentage of the people in line waited for more than 28 minutes?
%

b) if 2,000 ticket buyers were in line, how many of them would your expect to wait for less than 16 minutes?
people

7x+8y=-18, 4x-9y=-3 solve the system of equations

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4