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Svetllana [295]
3 years ago
5

Gail needs 15 yards of fabric for a quilt. How many different patterns of fabric does she need if she buys 2

Mathematics
1 answer:
yuradex [85]3 years ago
3 0

Answer:

Gail can use 6 different patterns

Step-by-step explanation:

15/2.5 = 6

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540

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7. 1/10 or 10%

9.5/10

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The product of two 2-digit factors whose product is greater than 200 but less than 600
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The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e
gizmo_the_mogwai [7]

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The large sample n = 1713.96

Step-by-step explanation:

<u>Explanation</u>:-

given the population proportion was estimated to be 0.22

population proportion (P) = 0.22

The 95 % level of significance = 1.96≅ 2

The margin of  error = 0.02

The formula of margin error

                                   \frac{2\sqrt{p(1-p)} }{\sqrt{n} } = 0.02    …  ( i )

Substitute 'p' values in equation (1)

\frac{2\sqrt{0.22(1-0.22)} }{\sqrt{n} } = 0.02

cross multiplication and simplification, we get

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41.4 = \sqrt{n}

squaring on both sides, we get

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2 years ago
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