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MrRa [10]
3 years ago
6

The length and breadth of a rectangular shaped plot is 1215 m and 527 m respectively. Find its perimeter.

Mathematics
2 answers:
OverLord2011 [107]3 years ago
7 0

Answer:

3484m

Step-by-step explanation:

Perimeter of a rectangle= 2(L+B) where L= Length and B= Breadth

Length of the plot= 1215m

Breadth= 527m

∴ Perimeter of the plot= 2(1215m+527m)

                                       = 2(1742m)

                                       = 3484m

Hope this helps!!!

ss7ja [257]3 years ago
4 0

Answer:

3484m

Step-by-step explanation:

Add 1215(2) and 527(2) together

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Lesechka [4]

Complete Question

In a study of the accuracy of fast food drive-through orders, one restaurant had 32 orders that were not accurate among 367 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable?

Answer:

The decision rule  is

  Fail to reject the null hypothesis

The conclusion is  

  There is sufficient evidence to show that the rate of inaccurate orders is equal to​ 10%

Step-by-step explanation:

Generally from the question we are told that

   The sample size is  n =  367

    The number of orders that were not accurate is  k = 32

    The population proportion for rate of inaccurate orders is  p = 0.10

The null hypothesis is  H_o :  p = 0.10

The alternative hypothesis is  H_a :  p \ne 0.10

Generally the sample proportion is mathematically represented as  

         \^ p = \frac{k}{n}

=>      \^ p = \frac{32}{367}

=>      \^ p = 0.0872

Generally the test statistics is mathematically represented as

         z= \frac{ \^ p - p }{ \sqrt{ \frac{ p(1 - p)}{ n} } }

=>      z= \frac{ 0.0872  - 0.10 }{ \sqrt{ \frac{ 0.10 (1 - 0.10 )}{367} } }  

=>      z= -0.8174

From the z table  the area under the normal curve to the left corresponding to  -0.8174 is  

         P(z <  -0.8173 )  = 0.20688

Generally the p-value is mathematically represented as

         p- value =  2 *  0.20688

=>      p- value =  0.4138

From the value obtained we see that  p-value >  \alpha hence

The decision rule  is

  Fail to reject the null hypothesis

The conclusion is  

  There is sufficient evidence to show that the rate of inaccurate orders is equal to​ 10%

 

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sergiy2304 [10]

Answer:

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Step-by-step explanation:

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