SOLUTION: At the end of each week, a generous teacher gives some candy to a few randomly selected students. There are 30 students in this teacher's class - 16 girls and 14 boys.
A) If the t
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A) If the t
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Question 1174377: At the end of each week, a generous teacher gives some candy to a few randomly selected students. There are 30 students in this teacher's class - 16 girls and 14 boys.
A) If the teacher wanted to give candy to 6 of the students, how many possible groups of 6 students can she choose?
B) To avoid appearing to favor one gender, the teacher will randomly choose 3 of the 16 girls and 3 of the 14 boys. How many possible groups of 6 can she choose?
C) Find the probability that the teacher gives candy to 3 boys and 3 girls if she chooses 6 students from the class at random. Answer by ikleyn(52786) (Show Source):
(A) It is the number of combinations of 30 students taken 6 at a time
N = = = 593775. ANSWER
(B) n = . = . = 560*364 = 203840. ANSWER
(C) This probability is the ratio of the numbers n and N, found in (A) and (B), respectively
P = = = = 0.343295. ANSWER
