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zhuklara [117]
3 years ago
7

One hundred tomato plants were randomly selected from a large garden, and a 90% confidence interval was computed to determine th

e true proportion of plants that produce useable tomatoes. The interval is 0.86 to 0.92.
What can be done to decrease the margin of error? Check all that apply.
Increase the sample size.
Increase the confidence level.
Select another sample.
Decrease the sample size.
Decrease the confidence level.
Select many samples of the same size and calculate the intervals.
ITS A & E
Mathematics
1 answer:
matrenka [14]3 years ago
3 0

Answer:

its

A : Increase the sample size.

E : Decrease the confidence level.

Step-by-step explanation:

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An advertising blimp hovers over a stadium at an altitude of 125 m. The pilot sights a tennis court at and 8° angle of depressio
tatuchka [14]

Answer:

Hence the ground distance is about 889m between stadium and Tennis court.

Step-by-step explanation:

Given:

A pilot at height of 125 m(flying the advertising blimp)

angle of depression=8 degrees.

To find :

The ground distance  stadium and tennis court.

Solution :

Using Trigonometric Function we can solve it ,

(Refer the attachment for fig)

Considering above data we get a triangle(ABC)

with point A represent pilot position and C court position and B as stadium.

The height AB=125 m

angle of depression= 8 degrees.

Using

<em>tan∅ =AB/BC</em>

tan(8)=125/BC

BC=125/tan(8)

=125/0.14054

=889.2

=889 m

Hence the ground distance is about 889m between stadium and Tennis court.

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las diferencias existentes entre espacios de población ( regiones, áreas de salud, municipios) respecto a condiciones de vida ,
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6 0
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How many movies, m, can she download for $50?
TiliK225 [7]
How much does it cost for one movie
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What is the slope of a trend line that passes through the points (–3, 3) and (18, 26)? StartFraction 15 Over 29 EndFraction Star
Alik [6]

Answer:

  23/21

Step-by-step explanation:

The slope is computed from ...

  m = (y2 -y1)/(x2 -x1)

For the given points, the slope is ...

  m = (26 -3)/(18-(-3)) = 23/21

The slope of the trend line is 23/21.

5 0
3 years ago
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Kitty [74]
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B=$3.32/20oz=$0.166/oz  (same as above)

So A=B, they both has the same price per ounce.
6 0
3 years ago
Read 2 more answers
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