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Svetllana [295]
3 years ago
7

What is 0.5 of 44.18

Mathematics
1 answer:
Bess [88]3 years ago
8 0

Answer:

22.09

Step-by-step explanation:

0.5 of 44.18

of also means multiplication

so we're going to multiply 0.5 by 44.18

ie, 0.5×44.18=22.09

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A manufacturing company wants to use a sample to estimate the proportion of defective tennis balls that are produced by a machin
Kitty [74]

Answer:

The least number of tennis balls needed for the sample is 1849.

Step-by-step explanation:

The (1 - <em>α</em>) % confidence interval for population proportion is:

 CI=\hat p\pm z_{\alpha/2}\ \sqrt{\frac{\hat p(1-\hat p)}{n}}

The margin of error for this interval is:

 MOE= z_{\alpha/2}\ \sqrt{\frac{\hat p(1-\hat p)}{n}}

Assume that the proportion of all defective tennis balls is <em>p</em> = 0.50.

The information provided is:

MOE = 0.03  

Confidence level = 99%

<em>α</em> = 1%

Compute the critical value of <em>z</em> for <em>α</em> = 1% as follows:

 z_{\alpha/2}=z_{0.01/2}=z_{0.005}=2.58

*Use a <em>z</em>-table.

Compute the sample size required as follows:

 MOE= z_{\alpha/2}\ \sqrt{\frac{\hat p(1-\hat p)}{n}}

       n=[\frac{z_{\alpha/2}\times \sqrt{\hat p(1-\hat p)} }{MOE}]^{2}

          =[\frac{2.58\times \sqrt{0.50(1-0.50)} }{0.03}]^{2}\\\\=1849    

Thus, the least number of tennis balls needed for the sample is 1849.

8 0
3 years ago
Can someone show me how to do this problem and I need help!! <br><br> Thank you!!
UNO [17]

Answer:

\frac{6}{19 }

Step-by-step explanation:

6 + 5 + 7 + 1 + 0 = 19

4 0
3 years ago
In △ABC , point D is between points A and B, and point E is between points B and C. Point Y is the incenter of the triangle, YD¯
n200080 [17]

Answer:

Answer: Using the proportions between the segments, the area of the triangles are:

1. Area of triangle ADC is 25 in^2.

2. Area of triangle BDC is 15 in^2.

3. Area of triangle CDE is 12 in^2.

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
G) Find the mean, median and mode<br><br> (11points)
GREYUIT [131]

Answer:

Mean = 36.67

Median = 36.5

Mode = 38

Step-by-step explanation:

Mean = [(35*8) + (37*7) + (37*4) + (38*9) + (39*2)] / (8+7+4+9+2)

Mean = (280 + 252 + 148 + 342 + 78) / 30

Mean = 1100 / 30 = 36.67

Median = Frequency of 35 and 36 is 15 total. Frequency of 37, 38, and 39 is the remainder 15 total. (36+37)/2 = 36.5

Mode = the most frequently-ocurring number = 38 (frequency of 9)

3 0
3 years ago
What is the following product?<br> √10 10<br> 10<br> 10 /10<br> 100<br> O 2 10
Kamila [148]

The result of the mathematical operation \sqrt{10} × \sqrt{10} is 10.

<h3>How to calculate the result of the operation?</h3>

To calculate the result of this operation we need to perform the following mathematical operations:

\sqrt{10} * \sqrt{10} = \sqrt{10 * 10}

\sqrt{10 * 10} = \sqrt{100}

\sqrt{100} = 10

Learn more about mathematics in: brainly.com/question/15209879

#SPJ1

4 0
2 years ago
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