A national survey found the average CPA earned $74,914. A survey of 112 local CPAs found an average of $76,695, with a standard deviation of $14,530. May the Central Limit Theorem be used? Why or why not?

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

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.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq