A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 2% margin of error at a 97.5% confidence level, what size of sample is needed?Give your answer in whole people.

The sample size is      

Step-by-step explanation:

From the question we are told that

   The margin of error is  

From the question we are told the confidence level is  97.5% , hence the level of significance is    

=>  

Generally from the normal distribution table the critical value  of   is  

Generally we will assume the sample proportion to be

Generally the sample size is mathematically represented as  

=>  

=>      

answer: the answer is c.

step-by-step explanation:

she’s dividing 1/3 of the flour into 2 jars.

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