The Birthday Problem

Use box plots to make a decision. Given data of ratings of four locations for a party, pupils create box plots using technology. They compare two, three, and four box plots to figure out where to hold the party.

Ponder the problems of p-values. After reviewing p-values from the last video, the narrator explains some drawbacks of using p-values for hypothesis testing in the 22nd installment of the Crash Course Statistics series. The video...

The big, the bad, and the ugly of data. The resource picks up from the description of big data and discusses the possible problems. Using examples, the 39th video in the series of Crash Course statistics explains how some use big data...

Apply what you learned in videos one and two on the substitution method with this application problem. Sal uses the substitution method to solve a system of equations.

Happy birthday to you — and to you! A festive video on probability examines the likelihood of two people in a group sharing a birthday, based on the size of the group. 

Use dependency to find a birthday. Learners use an interactive to keep track of excluded potential dates of a birthday using information provided to two people about a third's birthday. Scholars then use the dependency between the dates...

In this birthday problem worksheet, learners solve 1 probability word problem.  Students determine the number of people needed to have a 50% probability that two people will have the same birthday.

Pupils make and analyze predictions and attempt to solve the birthday problem. They use the solutions they find to answer related questions.

Young scholars identify the probability of an event occurring. Learners explore the complement of an event in finding why an event will not happen. They also explore basics of probability within algebra.

In this probability worksheet, students solve 1 word problem about birthdays.  Students determine the number of people needed for a 50% chance of two people sharing the same birthday.