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Lesson (B)
Lesson (C)
Suppose you have a stack of wooden building blocks. The stack contains 36 red blocks and 16 blues blocks. Now let's say that all the blocks are mixed together and placed on the floor.
Suppose you have a bag of assorted cookies. The bag consists of 23 chocolate
chip cookies, 34 chocolate chocolate chip cookies, and 18 peanut butter cookies.
Suppose there is a multi-flavored bubble gum machine. The machine consists of 52 watermelon gumballs, 22 grape gumballs, and 78 green apple gumballs.
Use the back button in your browser to refer to your answers. Once you are ready to quiz yourself, click on the Quiz link.
If you were wearing a blindfold, what is your probability of choosing a blue block? 31%
What is your probability of choosing a red block? 69%
What is your probability of choosing a yellow block? 0
What is your probability of reaching into the bag and choosing a peanut butter cookie?? 24%
What is your probability of choosing a chocolate chip cookie? 31%
What is your probability of choosing a chocolate chocolate chip cookie? 45%
What is your probability of receiving a grape gumball or a green apple gumball? 66%
What is your probability of receiving a watermelon gumball? 34%
What is your probability of receiving a green apple gumball? 51%
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Math: Probability - Lessons Answer Key
