Question

suppose that three pennies land heads up and you toss the forth penny. What is the probability of landing heads up?

Answer 1

Answer:

If you mean for that last penny 1/2 but for all of them it would be  1/16

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Step-by-step explanation:

1/2 chance to be on heads. so 1/2 to the power of 4 is 1/16

Answer 2

Answer + Step-by-step explanation:

Since there are only two possibilities, the answer is 1/2.

If you are asking what is the probability that all 4 will be heads, we get

(1/2) × (1/2) × (1/2) × (1/2)

So, the answer is 1/16.

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