math problem!!?

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(1 pt) (a) Among 99 people at least how many were born in the same month?

(b) Assuming that no one is born on Feb. 29 (leap day), how many people should be selected to guarantee that at least 9 were born on the same day, not considering the year?

2007-09-22 06:27:24 · 2 answers · asked by april 2 in Science & Mathematics ➔ Mathematics

2 answers

(a)

99/12=8.25

At least 9 people.

(b)

8*365+1=2921

2921 people should be selected.
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2007-09-22 06:39:52 · answer #1 · answered by oregfiu 7 · 0⤊ 0⤋

a) 8 or 9
b) over 3000

2007-09-22 06:38:50 · answer #2 · answered by mikedotcom 5 · 0⤊ 0⤋