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Sunny_sXe [5.5K]
3 years ago
6

"Flip a coin; if it is heads, pick item A; if it is tails, flip the coin again; this time, if it is heads, choose B; if it is ta

ils, choose C. Explain why this is a probability sample but not a simple random sample"
Mathematics
1 answer:
DENIUS [597]3 years ago
3 0

Answer:

It is a probability sample because it utilizes some form of random selection. It is not a simple random sample because there is not an equal possibility of A, B, or C.

Step-by-step explanation:

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erastovalidia [21]

9514 1404 393

Answer:

  6/2

Step-by-step explanation:

The slope is given by ...

  slope = (y2 -y1)/(x2 -x1)

  slope = (13 -7)/(4 -2) = 6/2

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The value of the slope can be simplified to ...

  slope = 3

6 0
2 years ago
A yardstick casts a shadow of 24 in. at the same time a telephone pole casts a shadow of 20 ft 8 in. What is the height of the t
BabaBlast [244]
1 yd = 36 in;  20 ft 8 in = 248 in;
We will use a proportion:
36  : 24 = x : 248
24 x = 36 * 248
24 x = 8,928
x = 8,928 : 24 = 372
Answer:  C ) 372 in
5 0
3 years ago
Which proportion can you use to find the value of a?
Ugo [173]

<u>Given</u>:

The given triangle is a similar triangle.

The length of the hypotenuse is 18 units.

The length of the leg is a.

The length of the part of the hypotenuse is 16 units.

We need to determine the proportion used to find the value of a.

<u>Proportion to find the value of a:</u>

We shall find the proportion to determine the value of a using the geometric mean leg rule.

Applying the leg rule, we have;

$\frac{\text { hypotenuse }}{\text { leg }}=\frac{\text { leg }}{\text { part }}$

Substituting the values of hypotenuse, leg and part, we get;

\frac{18}{a}=\frac{a}{16}

Thus, the proportion used to find the value of a is \frac{18}{a}=\frac{a}{16}

Hence, Option D is the correct answer.

6 0
3 years ago
Will give brainpower and most points! thank you please help!
ollegr [7]

Answer:

See image and connect the lines using the coordinates.

Step-by-step explanation:

7 0
3 years ago
What is the percent of change from 75 to 84?
ValentinkaMS [17]

Answer:

12%

Step-by-step explanation:

3 0
2 years ago
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