The theoretical probability of a simple event is P(event) = number of favorable outcomestotal number of outcomes in a sample space


EXAMPLE: A jar contains 10 green, 7 red, and 3 blue marbles. What is the probability of randomly picking a red marble?


P(red) = number of red marblestotal number of marbles in the sample space=710+7+3=720
The probability of randomly picking a red marble is
720=0.35=35%

Use the spinner below to complete the problem.



Determine the probability of the spinner landing on a 3.

(3 points)
Enter the probability as a SIMPLIFIED fraction:

1/3

Enter the probability as a decimal with two decimal places

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