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Vanyuwa [196]
3 years ago
5

Please help !! Thank you so much !

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0

Answer:

13.7 cm I hope this helps you

13.7

Alekssandra [29.7K]3 years ago
6 0

Answer:

A, because m is less than 4.4 so 4.4, is gonna be greater

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Can someone please help me with these 2 questions?
Aleonysh [2.5K]

Answer:

1. The correct answer is graph b

2. the correct answer is t>100

Step-by-step explanation:


5 0
3 years ago
Determine the point estimate of the population proportion and the margin of error for the following confidence interval.Lower bo
Kamila [148]

Answer: The point estimate of the population proportion is . 485.​

The margin of error is 0.273.​

Step-by-step explanation:

Confidence interval for population proportion(p):

sample proportion ± Margin of error

Given:  Lower bound of confidence interval  = 0.212

Upper bound = 0.758

⇒sample proportion - Margin of error=0.212  (i)

sample proportion + Margin of error= 0.758  (ii)

Adding (i) and (ii) , we get

2(sample proportion) =0.970

⇒ sample proportion = 0.970÷2= 0.485

Since sample proportion is the point estimate of the population proportion.

So, the point estimate of the population proportion=  0.485

Now put sample proportion =0.485 in (ii), we get

0.485+ Margin of error= 0.758

⇒  Margin of error= 0.758 - 0.485 =0.273

i.e. The margin of error is 0.273.​

5 0
3 years ago
It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yiel
evablogger [386]

Answer:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

 (0.3672 , 0.7328)

Step-by-step explanation:

<u><em>Explanation:</em></u>-

Given Random sample size n =40

Sample proportion

                            p = \frac{x}{n} = \frac{22}{40} = 0.55

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

   

          (p-Z_{\alpha } \sqrt{\frac{pq}{n} } , p + Z_{\alpha } \sqrt{\frac{pq}{n} } )

         

The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

    (0.55-2.326\sqrt{\frac{0.55 X0.45}{40} } , 0.55 + 2.326\sqrt{\frac{0.55 X0.45}{40} } )

  ( 0.55 - 0.1828 , 0.55 + 0.1828)

  (0.3672 , 0.7328)

         

6 0
3 years ago
Read 2 more answers
What is the value of the digit in the hundred thousands place in the number 178,632 ?
Veronika [31]
The 1. (178,632)
Remember, one hundred thousand is = 100,000
4 0
2 years ago
Read 2 more answers
(Pls help me)
Delicious77 [7]

Answer:

\boxed{ \tt{in \:  a  \:  quadratic  \:  equation \: the \: highest \: power \:  is \: 2}} \\ \boxed{ \tt{hence \: she \: was \: not \: correct}}

6 0
2 years ago
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