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lapo4ka [179]
3 years ago
13

If you flip three fair coins what is the probability that the two first flips will both be heads, and the third flip will be eit

her heads or tales?
Mathematics
1 answer:
Brrunno [24]3 years ago
5 0

Answer:

The probability that a coin flip is a head or a tail is 0.5. The probability that a coin flip is either a head or a tail is 1. The probability that a three-coin-flip is two heads and a head or a tail is 0.25.

Step-by-step explanation:

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Azul spun a tri-color spinner twice. What is the probability that the spinner landed on the colors blue and green in any order?
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Answer:

The Probability that the spinner landed on the colors blue and green in any order = 2/9

Step-by-step explanation:

Given - Azul spun a tri-color spinner twice.

To find - What is the probability that the spinner landed on the colors blue and green in any order?

Solution -

Given that,

A tri-color spinner spun twice

So,

The Sample Space, S = {BB, BG, BY, GB, GG, GY, YB, YG, YY}

⇒n(S) = 9

Now,

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So,

A = {BG, GB}

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Now,

Probability that the spinner landed on the colors blue and green in any order = n(A) ÷ n(S)

         = 2 ÷ 9

∴ we get

The Probability that the spinner landed on the colors blue and green in any order = 2/9

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