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kenny6666 [7]
3 years ago
15

Can someone pls explain to me how to do this (^。^)

Mathematics
1 answer:
34kurt3 years ago
4 0

Answer:

Area: \frac{8}{15} feet²

Perimeter: \frac{44}{15} =2 \frac{14}{15} feet

Step-by-step explanation:

The <u>formula of finding the </u><u>area</u><u> of a rectangle</u> or square is <u>width multiplied by length</u>.

The <u>formula of find the </u><u>perimeter</u><u> of a rectangle</u> or square is <u>width+width+length+length</u>

Area: \frac{4}{5} *\frac{2}{3} = \frac{8}{15} feet²

Perimeter:

\frac{4}{5} +\frac{4}{5} +\frac{2}{3} +\frac{2}{3} =

\\\\\frac{12}{15} +\frac{12}{15} +\frac{10}{15} +\frac{10}{15} =\\\\\frac{24}{15} +\frac{20}{15} =\\

\frac{44}{15} =2 \frac{14}{15}

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Step-by-step explanation:

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p = x / n = 7 / 163 = 0.043

<u>a) Using a significance level ( ∝ ) of 0.05, estimate the appropriate hypothesis</u>

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Ha : P ≠ 0.07

conduct a  Z- test statistic

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Critical value ( Z₀.₀₂₅ ) = ± 1.96

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

<u>b) Determine the p-value of the test </u>

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

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