The Law of Large Numbers

Grade 1045 min

Learning Objective

I can predict the long-run average outcome of a random event by applying the Law of Large Numbers.

Lesson Flow

Watch Video

5 min

Ley grandes números y Regla de Laplace

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Practice

14 min

7 questions • Short answer

Exit Ticket

5 min

You flip a coin 1000 times and get heads 520 times. Based on the Law of Large Numbers, what is your best estimate of the probability of getting tails on a single flip of this coin? A spinner with four sections (red, blue, green, yellow) is spun 500 times. Red comes up 130 times. Based on the Law of Large Numbers, what is your best estimate of the probability of the spinner landing on red? A bag contains an unknown number of marbles of different colors. You draw a marble, note its color, and replace it. After 200 draws, you have drawn a blue marble 60 times. Based on the Law of Large Numbers, what is your best estimate of the probability of drawing a blue marble from the bag?

Teacher Guide

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