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3 years ago

Using graph paper, determine the line described by the given point and slope. Click to show the correct graph below.

Mathematics

2 answers:

Verizon [17]3 years ago

8 0

The horizontal one is the correct answer

Sholpan [36]3 years ago

5 0

It’s the one that is horizontal (side ways )

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what is the probability of seeing a sample mean for 21 observations less or equal to the sample mean that we observed

kramer

Answer:

$P(x \le 21) = 0.69146$

Step-by-step explanation:

The missing parameters are:

$n = 64$ --- population

$\mu = 20$ --- population mean

$\sigma = 16$ -- population standard deviation

Required

$P(x \le 21)$

First, calculate the sample standard deviation

$\sigma_x = \frac{\sigma}{\sqrt n}$

$\sigma_x = \frac{16}{\sqrt {64}}$

$\sigma_x = \frac{16}{8}$

$\sigma_x = 2$

Next, calculate the sample mean $\bar_x$

$\bar x = \mu$

So:

$\bar x = 20$

So, we have:

$\sigma_x = 2$

$\bar x = 20$

$x = 21$

Calculate the z score

$x = \frac{x - \mu}{\sigma}$

$x = \frac{21 - 20}{2}$

$x = \frac{1}{2}$

$x = 0.50$

So, we have:

$P(x \le 21) = P(z \le 0.50)$

From the z table

$P(z \le 0.50) = 0.69146$

So:

$P(x \le 21) = 0.69146$

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3 years ago

Y=-1/3x +5 <br> Please thank u

PolarNik [594]

Ok this is a linear equation that is descending and is in slope intercept form

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3 years ago

What is the slope of a line that is parallel to the line y 3/4x+2

Ronch [10]

Answer:

-4/3

Step-by-step explanation:

mtan × mline = -1

mtan× 3/4 = -1

mtan =-4/3

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2 years ago

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Harman [31]

You just multiply 7 x 20 and you will get the answer of 140 then just add two zeroes to get 14000.

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A bookshelf sits on top of a large desk. Together, their height is 6.75 feet. The difference between their heights is 1.85 feet.

slavikrds [6]

Answer: 4.9

Step-by-step explanation:

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