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lyudmila [28]
3 years ago
12

Find the area of the figure

Mathematics
1 answer:
Aneli [31]3 years ago
8 0

Answer:

area=18

Step-by-step explanation:

draw a dotted line so it separates the top part from the bottom and then the area of the bottom part is 6x2 which is 12 and then the area of the top is 3x2 which is 6

6+12=18

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Solution :

This is the two tailed test.

The null hypothesis and the alternate hypothesis is as :

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Alternate hypothesis is $H_0:\mu \neq110000$

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Therefore, the critical value of z is :

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Now the test statics is :

$z=\frac{\frac{(\overline x - \mu)}{\sigma}}{\sqrt n}$

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The test statics is 0.878

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