Question

Charlie has a piece of toast that has cream cheese on one side, and he dropped it once. One time, it landed with the cream cheese side up. If he drops it two more times, what is the probability that it will have landed cream cheese side up a total of three times?
a. 1/4
b. 1/3
c. 1/8
d. 3/4

Answer 1

What the heck who puts cream cheese on toast and im pretty sure the answer would be D

Answer 2

Answer:

C. $\frac{1}{8}$

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

A piece of toast with cream cheese on one side is the same as a quarter. Each has a $\frac{1}{2}$ or 50% chance of landing heads up or cream cheese up. This percent stays the same no matter how many times you drop the piece of toast.

Now in order to find out the probability of it landing 3 times CONSECUTIVELY with the cream cheese side up. Then you would need to multiply the 50% by 3. Like so,

$0.50 * 3 = 0.125$

Finally we can see that the probability of this happening is 12.5% or $\frac{1}{8}$

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