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Slav-nsk [51]
3 years ago
13

Mika is a local farmer who is interested in how often residents in her town go to a farmer's market each month. She surveys 124

families and finds that, on average, those families visit a farmers' market 4.2 times per month with a sample standard deviation of 1.3. If Mika wants to be 99% confident (z=2.58) using this sample, what should her margin of error be and what does it mean?
Mathematics
1 answer:
Murljashka [212]3 years ago
5 0

Answer:

i found this pictur about how to solve

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allsm [11]

Answer: 118 degrees

Step-by-step explanation:

Angles on the opposite sides of rhombus will always be equal and the sum of all the angles of quadrilaterals are 360 degrees so we get the equation

2u - 70 + u + 52 + 2u - 70 + u + 52 = 360

6u - 36 = 360

6u = 396

u = 66

But, 66 is not the answer, as they want to find the angle D AKA u + 52 which is 66 + 52 = 118 degrees

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<em>The</em><em> </em><em>right</em><em> </em><em>answer</em><em> </em><em>is</em><em> </em><em>of</em><em> </em><em>option</em><em> </em><em>D</em><em>.</em>

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