Can someone please explain me how to solve this problem? I am having a hard time on t test?

Can someone please explain me how to solve this problem? I am having a hard time on t test? Please

In 2002 the US population was 288,369,000. Of these, 232,647,000 were white, 36,746,000 were black, 2,752,000 were American Indian, 11,559,000 were Asian, 484,000 were Hawaiian/Pacific Islander, and 4.181,000 were other races. A random sample of 1,000 Americans taken this year shows 770 white, 130 black, 10 American Indian, 50 Asian, 1 Hawaiian/Pacific Islander, and 39 of other races. The test statistic is:

Thank you