Giving a test to a group of students, the grades and gender are summarized below A B C Total
Male 7 3 5 15
Female 15 2 10 27
Total 22 5 15 42

If one student was chosen at random,

find the probability that the student was male.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Graph y = -|x| + 2. click on the graph until the correct one appears.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.