Asample of 30 11th graders were asked to select a favorite pattern out of 6 choices. the following display shows what their favorite color patterns were. the counts have been recorded in the accompanying table according to pattern and the number of students who selected that pattern. true or false? this frequency table can be graphically displayed as a histogram.

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?