Ellie read an article claiming that 10% of people in her county were senior citizens, and she thought that it may be higher for residents in her city. She took a random sample of 225 people from her city and found that 36 of them were senior citizens. She wants to test H0:p=0.10 versus Ha:p > 0.10, where p is the proportion of people in her city that are senior citizens. Assuming that the conditions for inference have been met. Required:
Calculate the test statistic for Ellie's significance test.

The  value is

Step-by-step explanation:

From the question we are told that

   The  population proportion of senior citizens is  

   The  sample size is  

   The  number of senior citizens is  k =  36

   The  null hypothesis is  

    The alternative hypothesis is  

Generally the sample proportion is mathematically represented as

=>  

=>  

Generally the test statistics is mathematically represented as

=>    

=>    

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step-by-step explanation:

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