Admission Tests GMAT Exam With Confidence Using Practice Dumps

For any data set, the proportion of data that lies within A" standard deviations of its mean is at least 1 - -K. The scores on a spelling test taken by 64 students have a mean of 74.0 and a standard deviation of 6.0. If t\$ the number of students who have scores greater than 62 and less than 86, and t\s as small as possible, what is the value of t?

Which of the following is the most likely reason that the author mentions the work o* the astronomers in 1998 (see highlighted text)?

Television picture quality improves as resolution increases. However, the resolution at which a given improvement in resolution becomes visible varies with the distance of

the viewer from the screen. As a viewer moves closer to the screen, a given improvement in resolution eventually becomes noticeable, finally conferring its “full benefit” at

a point at which moving closer would not improve the viewing experience.

On the graph, 480p, 720p, 1080p, and 1440p represent four common degrees of resolution: greater numbers indicate greater numbers of pixels on the screen and thus

greater resolution. Shaded portions show the distances at which these resolutions become noticeable, while the broken lines show the maximum distances at which a

viewer with normal eyesight would be expected to experience full benefit—all as a function of screen size. For each resolution and screen size shown, there is a small gap

between the maximum distance for full benefit from the resolution and the minimum distance for noticeable benefit from the next higher resolution.

(Note: 3 feet is roughly 1 meter, and 1 inch is roughly 2.5 centimeters.)

Assuming that the information contained in the graphic correctly applies to all viewers, select from the drop-down menus the options making the statements most

accurate.