Target 4-A, Target 4-B, Target 4-C, Target 4-D

Target 4-C

  

Understand frequency distributions

  • Create a frequency distribution from experimental data
  • Calculate probabilities from a frequency distribution

 

 

Sample Questions

Jerry is stuck in "jail" in monopoly.

  1. Roll two standard 6-sided dice until you get doubles. Collect your data from 20 trials.
  2. According to your data, what is the probability that he will roll doubles within the first three rolls?

Sample Response

  1. Rolling Doubles

    Event Frequency
    Rolled doubles on 1st try 4
    Rolled doubles on 2nd try 3
    Rolled doubles on 3rd try 4
    Rolled doubles on 4th try 1
    Rolled doubles on 5th try 0
    Rolled doubles on 6th try 1
    Rolled doubles on 7th try 2
    Rolled doubles on 8th try 1
    Rolled doubles on 9th try 0
    Rolled doubles on 10th try 1
    Rolled doubles on 11th try 2
    Rolled doubles on 12th try 0
    Rolled doubles on 13th try 0
    Rolled doubles on 14th try 0
    Rolled doubles on 15th try 1
    total trials
    		20


  2. According to my data, the probability that Jerry should roll a double within the first three rolls is 11/20 = 55%.