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Calculating the probability that in a class of 20 students, there are at least two with...

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Statistics

Calculating the probability that in a class of 20 students,there are at least two with the same birthday.

(a) First, calculate the probability that each student has adifferent birthday as follows (round to four decimal places)

b) Explain briefly why the above probability is calculated thatway.

(c) Now note that the probability that there are at least two withthe same birthday is the complement of the above probability. Whatis the probability that there are at least two with the samebirthday

Answer & Explanation Solved by verified expert
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solutiontotal students 20number of days in a year 365a so probability that all students have the differentbirthday where n total possible choicesr    See Answer
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