21-08-2021
Mathematics

contestada

Four coins are tossed. What is the probability of at least one tail?

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AaqaeAzam AaqaeAzam

21-08-2021

Step-by-step explanation:

I can't understand it so plz don't mind or else I will mind

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loconte loconte

21-08-2021

Answer:

93.75%

This type of problem you have to REVERSE the question...

"at least one tail" is all possibilities EXCEPT "all heads"...

so your answer is 100% - P(4 heads)

P(4 heads) = (1/2)^4 = .0625

1 - .0625 = .9375

Step-by-step explanation:

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