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kodGreya [7K]
3 years ago
11

A certain type of bird has a probability of 1/12 Harding a bird with white feather. If a bird lays 2 eggs, find the probability

of hatching
A) exactly one bird with white feathers

B) at least one bird with white feathers.
Mathematics
1 answer:
liq [111]3 years ago
6 0
A. \frac{1}{12}*(1-\frac{1}{12})\\\frac{1}{12}*\frac{11}{12}\\\frac{11}{144}

B. \frac{1}{12}*(1-\frac{1}{12})+\frac{1}{12}*\frac{1}{12}\\\frac{1}{12}*\frac{11}{12}+\frac{1}{144}\\\frac{11}{144}+\frac{1}{144}\\\frac{12}{144}\\\frac{1}{12}
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Answer:

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Step-by-step explanation:

4(1−x)+3x=−2(x+1)

(4)(1)+(4)(−x)+3x=(−2)(x)+(−2)(1)(Distribute)

4+−4x+3x=−2x+−2

(−4x+3x)+(4)=−2x−2(Combine Like Terms)

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Step 2: Add 2x to both sides.

−x+4+2x=−2x−2+2x

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Step 3: Subtract 4 from both sides.

x+4−4=−2−4

x=−6

Answer:

x=−6

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