There are 8 job applicants sitting, in waiting room, 4 women and 4 men. If two of the applicants are selected at random, what is the probability that both will be women?

A 1/2
B 3/7
C 1/4
D 3/12

Correct Answer: 3/12

এখানে, প্রথম Selection এ 8 জন Job applicants থেকে 1 জন Woman আসার Probability = 4/8 = 1/2   আবার, প্রথবার Woman আসার পর দ্বিতীয় বার Total 8 জন থেকে একজন কমে (8 - 1) = 7 জন হবে এবং   সেক্ষেত্রে Woman একজন কমে হবে (4 - 1) = 3 জন ।   দ্বিতীয় বার 7 জন Job applicants থেকে 1 জন Woman আসার Probability = 3/7   পরপর শুরুতে দুইজনই Woman আসার মোট Probability =  12×37 = 314
Bissoy MCQ
#গণিত #সম্ভাব্যতা (Probability) #Mercantile Bank Ltd #Mercantile Bank Ltd - Officer - 2008

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