Experimental Probability Lesson

​ (a)   probability is what should happen in an experiment.​ (b)   probability is what actually happens after many trials of an experiment.

• Theoretical
• Experimental

#10 part a

What is the theoretical probability of spinning a shaded letter?

• 1/8

• 1/2

• 3/8

• 3/4

#10 part B

What is the experimental probability of spinning a shaded letter?

Step 1: Note A, B, C, G, F, E are the shaded letters

Step 2: Locate them in the table and add up their frequencies:

5 + 12 + 10 +​ (a)   +​ (b)   +​ (c)   =​

​ (d)  

• 11
• 13
• 9
• 60

• 60
• 75
• 4
• 5

• 2
• 7
• 1000

• 80
• 8x
• 12000
• 150
• 24

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