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Pachacha [2.7K]
3 years ago
15

What is the measure of angle gxi?

Mathematics
1 answer:
makvit [3.9K]3 years ago
4 0

Answer:

80

Step-by-step explanation:

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Suppose that 1 month before the election a random sample of 500 registered voters are surveyed. From this sample 270 indicate th
Aleonysh [2.5K]

Answer:

[ 0.4964, 0.5836 ]

Step-by-step explanation:

Data provided in the question:

Total sample size = 500

person voting for smith = 270

thus,

P( person voting for smith ), p = \frac{270}{500} = 0.54

Confidence level = 95%

now,

standard error, SE = \sqrt{\frac{p(1-p)}{n}

or

SE = \sqrt{\frac{0.54(1-0.54)}{500}

or

SE = 0.0223

now,

Confidence interval = p ± ( z × SE )

here,

z value for 95% confidence interval is 1.96

Confidence interval = [ 0.54 - ( 1.96 × 0.0223 ), 0.54 + ( 1.96 × 0.0223 ) ]

= [ 0.54 - 0.0436 , 0.54 + 0.0436 ]

= [ 0.4964, 0.5836 ]

8 0
3 years ago
HELP WILL MARK BRAINLYESt
Tcecarenko [31]

Answer:

i dont understand the problem, please explain to me what is going on?

Step-by-step explanation:

6 0
2 years ago
Solve 10 and 11 . Show and explain your work.
DaniilM [7]

Answer:

500-75y=x.    And.       44+14y=x.  No work needed

Step-by-step explanation:

6 0
3 years ago
The volume of a cone, V, is represented by , where r is the cone’s radius and h its height.
Arlecino [84]
So the height will equal 95.50 inches.

So if you double the height the volume is 1800cm3 and that is double the original volume 

And if you double the height the volume is 3600cm3 and that is the triple the original volume 
8 0
3 years ago
A department store is having a holiday sale. Mr. Smith bought a couch
Snezhnost [94]

Answer:

Step-by-step explanation:

500×30=15000

3 0
3 years ago
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