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Ray Of Light [21]
3 years ago
15

The numbers of birds Jim spots on different days during a

Mathematics
2 answers:
irina [24]3 years ago
8 0
D.) 06.5. 20 words don’t mind these i just don’t know what else to say besides it’s D
Semenov [28]3 years ago
6 0
D will be the answer for this
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HELP i need help quickly please
guajiro [1.7K]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
Find the distance between 13/3 and the square root of 16/9
Ainat [17]

Answer:

Root 16=4

Root 9=3

Therefore it becomes 4/3

Now distance between the two= 13/3-4/3 which is equal to 9/3 and 9 divided by 3 is 3.

Therefore the distance between the two on a number line is 3

3 0
3 years ago
You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable preliminary estim
Alenkasestr [34]

Answer:

n  = 400

Step-by-step explanation:

The formula for the error in our estimate is given by:

Standard Error :  √ ( p(1-p)/ n)

Error =  SE = Zα/2   √ ( p(1-p)/ n)  where

Zα/2= critical  value for 95% confidence level = 1.96

and we know our error is 3.5 %

But we do not the sample proportion p. Then what we can do is give an estimate of p in the absence of any other information.

In this case we will use p= 0.5 which is the value that maximizes the expression for the standard error :

if p = 0.8 then SE= 0.040

  p = 0.3 then SE =0.036

  p = 0.1 then  SE = 0.030

  p = 0.5 then SE = 0.050

Substituting

3.5/100  = 1.96 x  √ (( 0.5 x 0.5 ) /n )

3.5/ (100 x 1.96 x 0.5 ) = 1/ √n

0.0357 = 1 /√n

n = 20²

n = 400

3 0
3 years ago
water flows through a pipe at a rate of 7 cubic meters per month. Express this rate of flow in gallons per minute. Round your an
Nezavi [6.7K]

Answer:

0.04

Step-by-step explanation:

4 0
2 years ago
What is the calculation of <br><img src="https://tex.z-dn.net/?f=2%205%20%5C6%20-%20%284%201%20%5C3%20-%203%20%5C2%29" id="TexFo
shepuryov [24]

<h3><u>25</u> ( <u>13</u><u> </u> - <u>3</u><u>)</u></h3><h3> 6 ( 3 2)</h3>

<u>25</u><u> </u><u> </u>( <u>39 -9)</u>

6 (6)

<u>2</u><u>5</u><u> </u> × <u>30</u>

6 6

<u>125</u>

6

20 <u> 5</u><u> </u><u> </u> [ans]

6

8 0
2 years ago
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