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Naddik [55]
3 years ago
10

PIC BELOW SOMEONE PLZ HELP....

Mathematics
2 answers:
Citrus2011 [14]3 years ago
6 0

Answer:

C: A line travelling to the right with an open dot on p = -3.

Step-by-step explanation:

You use a closed dot when the equation is greater/less than or equal to: \geq \leq

It goes right because if it went left it would be p < -3.

evablogger [386]3 years ago
4 0

Answer:

A line traveling to the right with an open dot on p = -3

(sorry if this isn't right .-.)

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Because two sides of the triangle are the same length

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Find the selling price for each item given the cost and the percent of the markup or discount.
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A simple random sample of 5 months of sales data provided the following information: Month: 1 2 3 4 5 Units Sold: 94 105 85 94 9
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Answer:

a) x = 94 units/month

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Step-by-step explanation:

The adequate point estimation of the population mean and standard deviation are the sample mean and sample standard deviation.

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M=\dfrac{1}{n}\sum_{i=1}^n\,x_i\\\\\\M=\dfrac{1}{5}(94+105+85+94+92)\\\\\\M=\dfrac{470}{5}\\\\\\M=94\\\\\\

b) Point estimation of the population standard deviation (sample standard deviation)

s=\dfrac{1}{n-1}\sum_{i=1}^n\,(x_i-M)^2\\\\\\s=\dfrac{1}{4}((94-94)^2+(105-94)^2+(85-94)^2+(94-94)^2+(92-94)^2)\\\\\\s=\dfrac{206}{4}\\\\\\s=51.50\\\\\\

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2

Step-by-step explanation:

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