Mathematics, 17.12.2019 18:31 winterblanco

Asample of 900 computer chips revealed that 48% of the chips do not fail in the first 1000 hours of their use. the company's promotional literature claimed that over 44% do not fail in the first 1000 hours of their use. is there sufficient evidence at the 0.05 level to support the company's claim? state the null and alternative hypotheses for the above scenario.

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Mathematics, 21.06.2019 16:00, alex8366

Find x to the nearest hundredth place

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Mathematics, 21.06.2019 20:30, hjoe523

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

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Mathematics, 21.06.2019 20:30, shadowselena63

What’s 8y+48 and factor each expression completely

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Mathematics, 21.06.2019 21:00, alexahrnandez4678

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12

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