A special lottery is to be held to select the student who will live in the only deluxe room in a dormitory. There are 100 seniors, 150 juniors, and 200 sophomores who applied. Each senior's name is placed in the lottery 3 times; each junior's name, 2 times; and each sophomore's name, 1 time. What is the probability that a senior's name will be chosen?
1/8
2/9
2/7
3/8
1/2
NOONTIME TEMPERATURES IN HILO, HAWAII
Mon Tue Wed Thu Fri Sat Sun
66 78 75 69 78 77 70
The table above shows the temperatures, in degrees Fahrenheit, in a city in Hawaii over a one-week period. If m represents the median temperature, f represents the temperature that occurs most often, and a represents the average (arithmetic mean) of the seven temperatures, which of the following is the correct order of m, f, and a?
(A) a < m < f
(E) a = m < f
(D) m < f < a
(C) m < a < f
What is {(a+b)^(a+b)}^[(6544+6544+65141+654+612674+61456+76321641721+1)0]
1
2
(a+b) ^ n (6957496419541641)
none of these !!!!!!!!
the proabability of getting a total of 10 in a single throw of 2 dice is
1/9
1/12
1/6
5/36
6 boys and 6 girls sit in a row randomly. the proabability of all girls sit toghether is
1/122
1/112
1/102
1/132
3/589
10/987