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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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nikitadnepr [17]

Answer:

y = (1/4)x - 3

Step-by-step explanation:

The slope-intercept form is y = mx + b.  Here we are told that the line passes through (-8, -5) and that its slope is 1/4 (is that correct?).  

Substituting -5 for y, -8 for x and 1/4 for m, we get an equation for the y-intercept, b:

-5 = (1/4)(-8) + b, or

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Wewaii [24]
8090kg-4854kg=decrease in kg ----- find the difference
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What is the range of f(x)= -2x+5 with domain {1,2,3,4}?
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