12. Suppose there was this incredibly handsome, funny, good looking guy named To
ID: 3197270 • Letter: 1
Question
12. Suppose there was this incredibly handsome, funny, good looking guy named Tokunbo (no relation), who had this corny pick up line that he swears works 5% of the time. Heaven must be missing an angel because you are here with me. Girl, you must be a prime number because you can be divided by yourself and me, numero uno! Baby, you must be pi, because I can talk about you FOREVER! . . Are you acute girl, because I am looking for one. .Let me increase the volume of what is in your glass and turn this up! Gir l you and I can be NaCI, ain't nothing stronger than our bond. That's why we rhyme with iconic. Now suppose there were 20 girls in a club. i. If he talks to 5 girls, what is the probability the 5th girl will say yes to Tokunbo if the first 4 said no. ii. If he as talks to 5 girls, what is the probability the 5th girl will say no, if the first said yes? iii. Which of the first two is more probable? iv. Given that the first 10 girls said no, what is the probability the 11th girl says yes?
Explanation / Answer
Probability of girl saying 'yes' , is 5% that is 1/20 and saying 'no', is 1-1/20 = 19/20
Reply of any girl ( 1st, 2nd,...), is indpendent of reply of other girls.
Hence answer for
1) is 1/20
2) is 19/20
4) is 1/20
3) Second option is more probable than first.
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