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Finger [1]
3 years ago
12

4 Eric sketches a rectangle with a perimeter of

Mathematics
1 answer:
natka813 [3]3 years ago
7 0

Answer:

<em>2(x) + 2(x + 3) = 90 </em>

Step-by-step explanation:

Width: x inch.

Length: (x + 3) inch.

P = 2 w^{} + 2 l^{}

P = <em>2(x) + 2(x + 3) = 90</em>

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Answer:

The answers to the questions are;

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(b) P(At least 1 defective)

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Step-by-step explanation:

There are 110 cards and 20 defectives.

a) The probability of at least one defective is given by

P(At least 1 defective) = 1 - P(0 defective)

P(0 defective) = 20C0 × (90C0)/(110C20) = 0.0116

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b) For a set of 110 boards that has 5 defective and 105 non-defective

P(At least 1 defective) = 1 - P(0 defective)

P(0 defective) = (20C0)(90C5)/(110C5) = 0.35909

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3 years ago
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Answer:

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Step-by-step explanation:

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