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ankoles [38]
3 years ago
13

A sack full of medals contains gold, silver, and bronze. If selected at random, the probability of picking a gold medal is 5/12.

The probability of picking a silver medal is 1/3. What is the probability of picking a bronze medal
Mathematics
1 answer:
zhannawk [14.2K]3 years ago
8 0

Answer:

Bronze = \frac{1}{4}

Step-by-step explanation:

Given

Gold = \frac{5}{12}

Silver = \frac{1}{3}

Required

Determine the probability of Bronze medal

In probability, sum is always equal to 1

i.e.

Gold + Silver + Bronze = 1

Make Bronze the subject

Bronze = 1 - Gold - Silver

Substitute values for Gold and Silver

Bronze = 1 - \frac{5}{12} - \frac{1}{3}

Take LCM

Bronze = \frac{12 - 5 - 4}{12}

Bronze = \frac{3}{12}

Bronze = \frac{1}{4}

Hence:

The probability of picking bronze is

Bronze = \frac{1}{4}

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A

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Given

y - 2x - 8 = 0 ( add 2x + 8 to both sides )

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Calculate the length of PQ using the distance formula

PQ = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = P (- 8, - 8) and (x₂, y₂ ) = Q (- 2, 4 )

PQ = \sqrt{(-2-(-8))^2+(4-(-8))^2}

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       = \sqrt{36} × \sqrt{5}

        = 6\sqrt{5} → A

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