27.A club consists of 10 female students and 8 male students. The club will rand

Question

27.A club consists of 10 female students and 8 male students. The club will randomly select two people (one at a time, without replacement) to attend a conference. Find the probability that both randomly selected students will be female. (A) 0.2941 (B) 0.0111 (C) 0.2778 (D) 0.3114 (E) None of these Use the following to answer questions 28 and 29 In a box of candies, there are 12 Orange, 4 Red, 5 Yellow, 6 Green, and 4 Brown candies (31 total). 28, If two candies are selected with replacement, find the probability that one candy is Orange and another candy is Green (A)0.1498 (B) 0.0774 C) 0.0749 (D) 0.1548 (E) None of these 29. If two candies are selected without replacement, find the probability that the first candy is Red and the second candy is Yellow. (A) 0.2903 (B) 0.2967 (C) 0.0208 (D) 0.0215 (E) None of these

Explanation / Answer

27. Number of ways 2 women can be selected is 10C2=45 ways

Number of ways selection of 2 people can be made is 18C2=153

Required probability= 45/153=0.2941

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