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4 years ago

12

2-94. Multiple choice: which of the following numbers could not represent a probability? Write a sentence explaining why they co

uld no.
A. -1/10.

B. 1

C. 1%

D. 0.1

2 answers:

maks197457 [2]4 years ago

7 0

C i hope i helped :)

lyudmila [28]4 years ago

4 0

C I think, I am just guessing

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Which of the following rotational symmetry apply to to the parallelogram?

Natasha2012 [34]

Answer:

Rotational symmetry of 180 degrees around the origin - yes

Rotational symmetry of 270 degrees around the origin - no

Step-by-step explanation:

thanks to math bits notebook we can see a visual representation

As you can see the parallelogram has rotational symmetry of 180

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3 years ago

Help Please!! Flip the inequality sign whenever you _____________ or _____________ the inequality by a _______________!

Alborosie

MULTIPLY or DIVIDE the inequality by a NEGATIVE NUMBER

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3 years ago

Flauer [41]

Answer:

$X \sim N(\mu= 70, \sigma=15)$

From this info and using the empirical rule we know that we will have about 68% of the scores between:

$\mu -\sigma = 70-15=55$

$\mu +\sigma = 70+15=85$

95 % of the scores between:

$\mu -2\sigma = 70-2*15=40$

$\mu +2\sigma = 70+2*15=100$

And 99.7% of the values between

$\mu -3\sigma = 70-3*15=25$

$\mu +3\sigma = 70+3*15=115$

Step-by-step explanation:

For this problem we can define the random variable of interest as "the student grades" and we know that the distribution for X is given by:

$X \sim N(\mu= 70, \sigma=15)$

From this info and using the empirical rule we know that we will have about 68% of the scores between:

$\mu -\sigma = 70-15=55$

$\mu +\sigma = 70+15=85$

95 % of the scores between:

$\mu -2\sigma = 70-2*15=40$

$\mu +2\sigma = 70+2*15=100$

And 99.7% of the values between

$\mu -3\sigma = 70-3*15=25$

$\mu +3\sigma = 70+3*15=115$

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4 years ago

Which models best illustrates the inequality and its graph?

telo118 [61]

B. Tin can type at least 60 words per minute

Because on too it shows t > 60 but with the underline with it. The underline means equal so therefore its B.

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3 years ago

Given that ABCD is a rhombus, what is the value of x?

leonid [27]

Answer:

E. x = 18.6.

Step-by-step explanation:

As it is a rhombus the diagonals bisect to 4 angles in the rhombus (which add up to 360).Therefore:

4(4x - 3) + 4x = 360

16x - 12 + 4x = 360

20x = 372

x = 372/20

= 18.6.

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4 years ago

Read 2 more answers