Astudy of two independent normal samples, each of sizen, is being planned.
assume that the two distributions have the same variance, σ2: n(μx,σ2) and (μy,σ2).
the investigators want to know what should be used so that the following is a 90%confidence interval for

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years