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3 years ago

Write three different ways for7/10

Mathematics

2 answers:

HACTEHA [7]3 years ago

7 0

The only ways i thought of was 0.7, 0.70, and 0.700 .

RoseWind [281]3 years ago

4 0

14/20, 21/30, and 28/40
hope this helps :)

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Step-by-step explanation:

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masya89 [10]

Answer:

a) H0 : P = 0.07

Ha : P ≠ 0.07

b) p -value = 0.1770

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P = 7% = 0.07

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a) Using a significance level ( ∝ ) of 0.05, estimate the appropriate hypothesis

H0 : P = 0.07

Ha : P ≠ 0.07

conduct a Z- test statistic

Z = ( p - P ) / $\sqrt{\frac{P(1-P)}{n} }$

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Critical value ( Z₀.₀₂₅ ) = ± 1.96

we fail to reject H0 given that | z | < Zcritical because there is not enough evidence to conclude that proportion change

b) Determine the p-value of the test

P-value = P ( | Z | > Z )

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