math
posted by Jenny .
the smallest number of people in a room where the probability of two of them having the same birthday is at least fifty percent
Please post under one name.
The smallest class where the chance of finding two people with the same birthday is 50% or more is... a class of 23 people. (The probability is about 50.73%.)

The smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent.
Respond to this Question
Similar Questions

math
the smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent. Answer is between 1 and 31. This is a classic problem given in probability classes. There are plenty of sites … 
MATH, HELP
what is the probability that at least 2 students in a class of 36 have the same birthday? 
uop
How many riders would there have to be on a bus to yield (a) a 50 percent probability that at least two will have the same birthday? 
math
Given the system of inequalities, Report your vertices starting with the one which has the smallest xvalue. If more than one vertex has the same, smallest xvalue, start with the one that has the smallest yvalue. Proceed clockwise … 
Math please
The HCF of the smallest composite number and the smallest prime number is 1.is this statement is true or false.give reason.please 
Math
A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent? 
Math Probability
A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent? 
math
what is the smallest number of people that must be gathered together to be certain that at least two people of the group were born in the same month? 
Math  Data Management
What is the probability that there are at least two people with the same birthday in a class of 40 students? 
Math:Probability
The probability of having homework over the weekend in math is 0.9,history is 0.6, and Spanish is 0.75. 1. What is the probability of having exactly one class that gives homework?