A survey in 2012 of U. S. households showed that 60% had a traditional landline telephone, 89% of households had a cell phone and 51% had both.
Suppose we randomly selected a household in 2012: (you may need to draw a Venn
Diagram to help solve)
What is the probability that the household has a cell phone but no landline?
O 0.09
O 0.38
O 0.89
0.51

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12